diff --git a/src/components/AER.tsx b/src/components/AER.tsx
index 78c7bdd48..cee26c632 100644
--- a/src/components/AER.tsx
+++ b/src/components/AER.tsx
@@ -2,7 +2,6 @@ import React from 'react'
 import {
   ExpressionRunnerSimple,
   ExpressionRunnerPlayButtonOnly,
-  ExpressionRunnerPairSimpleDeprecated,
   ExpressionRunnerSingleStep,
   ExpressionRunnerPairSimple
 } from 'src/components/ExpressionRunnerShorthand'
@@ -21,11 +20,6 @@ export default {
       expressionContainer={lessonExpressions.e1E1}
     />
   ),
-  uqwm: (
-    <ExpressionRunnerPairSimpleDeprecated
-      expressionContainer={lessonExpressions.e1E1}
-    />
-  ),
   zwpj: (
     <ExpressionRunnerPlayButtonOnly
       expressionContainer={lessonExpressions.e1E2}
@@ -42,18 +36,21 @@ export default {
     />
   ),
   bgfl: (
-    <ExpressionRunnerPairSimpleDeprecated
+    <ExpressionRunnerSimple
       expressionContainer={lessonExpressions.e1E2}
+      isDone
     />
   ),
   tuqr: (
-    <ExpressionRunnerPairSimpleDeprecated
+    <ExpressionRunnerSimple
       expressionContainer={lessonExpressions.e1E3}
+      isDone
     />
   ),
   cpkp: (
-    <ExpressionRunnerPairSimpleDeprecated
+    <ExpressionRunnerSimple
       expressionContainer={lessonExpressions.e1E4}
+      isDone
     />
   ),
   loai: <ExpressionRunnerSimple expressionContainer={lessonExpressions.e1E5} />,
@@ -126,10 +123,9 @@ export default {
     />
   ),
   mhgm: (
-    <ExpressionRunnerPairSimpleDeprecated
+    <ExpressionRunnerSimple
       expressionContainer={lessonExpressions.e1E1}
       initialState="betaReducePreviewCrossed"
-      finalIsDone
     />
   ),
   osqo: (
@@ -154,11 +150,16 @@ export default {
       finalState="betaReducePreviewCrossed"
     />
   ),
-  zxfv: (
-    <ExpressionRunnerPairSimpleDeprecated
+  jwzh: (
+    <ExpressionRunnerSimple
       expressionContainer={lessonExpressions.e1E2}
       initialState="betaReducePreviewBefore"
-      finalState="betaReducePreviewCrossed"
+    />
+  ),
+  knhw: (
+    <ExpressionRunnerSimple
+      expressionContainer={lessonExpressions.e1E2}
+      initialState="betaReducePreviewCrossed"
     />
   ),
   ahsd: (
@@ -213,11 +214,6 @@ export default {
       initialState="showFuncUnbound"
     />
   ),
-  iped: (
-    <ExpressionRunnerPairSimpleDeprecated
-      expressionContainer={lessonExpressions.e2E1}
-    />
-  ),
   cvtc: (
     <ExpressionRunnerSimple
       expressionContainer={lessonExpressions.e3E1}
@@ -284,36 +280,33 @@ export default {
       skipToTheEnd={false}
     />
   ),
-  jrxw: (
-    <ExpressionRunnerPairSimpleDeprecated
+  udic: (
+    <ExpressionRunnerSimple
       expressionContainer={lessonExpressions.e3E1}
       initialState="showFuncUnbound"
       showPriorities
-      secondInitializeInstructions={[
-        {
-          type: 'nextIteration'
-        },
-        {
-          type: 'stepForwardUntilPreviouslyChangedExpressionState',
-          state: 'default'
-        }
-      ]}
     />
   ),
-  esyi: (
-    <ExpressionRunnerPairSimpleDeprecated
+  xzqu: (
+    <ExpressionRunnerSimple
+      expressionContainer={lessonExpressions.e3E1}
+      showPriorities
+      nextIteration
+    />
+  ),
+  dnvw: (
+    <ExpressionRunnerSimple
       expressionContainer={lessonExpressions.e3E1}
+      nextIteration
+      initialState="showFuncBound"
+      showPriorities
+    />
+  ),
+  nric: (
+    <ExpressionRunnerSimple
+      expressionContainer={lessonExpressions.e3E1}
+      isDone
       showPriorities
-      firstInitializeInstructions={[
-        {
-          type: 'nextIteration'
-        },
-        {
-          type: 'stepForwardUntilPreviouslyChangedExpressionState',
-          state: 'showFuncBound'
-        }
-      ]}
-      finalIsDone
     />
   ),
   hdxc: (
@@ -323,36 +316,33 @@ export default {
       skipToTheEnd={false}
     />
   ),
-  wepe: (
-    <ExpressionRunnerPairSimpleDeprecated
+  eial: (
+    <ExpressionRunnerSimple
       expressionContainer={lessonExpressions.e3E2}
       initialState="showFuncUnbound"
       showPriorities
-      secondInitializeInstructions={[
-        {
-          type: 'nextIteration'
-        },
-        {
-          type: 'stepForwardUntilPreviouslyChangedExpressionState',
-          state: 'default'
-        }
-      ]}
     />
   ),
-  bwop: (
-    <ExpressionRunnerPairSimpleDeprecated
+  iwkx: (
+    <ExpressionRunnerSimple
+      expressionContainer={lessonExpressions.e3E2}
+      nextIteration
+      showPriorities
+    />
+  ),
+  vjaa: (
+    <ExpressionRunnerSimple
       expressionContainer={lessonExpressions.e3E2}
+      initialState="showFuncBound"
+      showPriorities
+      nextIteration
+    />
+  ),
+  iifq: (
+    <ExpressionRunnerSimple
+      expressionContainer={lessonExpressions.e3E2}
+      isDone
       showPriorities
-      firstInitializeInstructions={[
-        {
-          type: 'nextIteration'
-        },
-        {
-          type: 'stepForwardUntilPreviouslyChangedExpressionState',
-          state: 'showFuncBound'
-        }
-      ]}
-      finalIsDone
     />
   ),
   laea: (
diff --git a/src/components/ExpressionRunnerShorthand.tsx b/src/components/ExpressionRunnerShorthand.tsx
index e10ab0415..98905f8c9 100644
--- a/src/components/ExpressionRunnerShorthand.tsx
+++ b/src/components/ExpressionRunnerShorthand.tsx
@@ -345,105 +345,11 @@ ExpressionRunnerPairSimple.defaultProps = {
   ...ExpressionRunnerSimple.defaultProps
 }
 
-export const ExpressionRunnerPairSimpleDeprecated = ({
-  expressionContainer,
-  initialState,
-  finalIsDone,
-  finalState,
-  showPriorities,
-  hidePrioritiesOnSecond,
-  firstInitializeInstructions,
-  secondInitializeInstructions,
-  highlightOverrides,
-  highlightOverrideActiveAfterStart,
-  skipAlphaConvert,
-  variableSize
-}: {
-  expressionContainer: SteppedExpressionContainer
-  initialState: ExpressionContainer['previouslyChangedExpressionState']
-  finalIsDone: boolean
-  finalState?: ExpressionContainer['previouslyChangedExpressionState']
-  showPriorities: boolean
-  hidePrioritiesOnSecond: boolean
-  skipAlphaConvert: boolean
-  firstInitializeInstructions?: ExpressionRunnerProps['initializeInstructions']
-  secondInitializeInstructions?: ExpressionRunnerProps['initializeInstructions']
-  highlightOverrides?: ExpressionRunnerProps['highlightOverrides']
-  highlightOverrideActiveAfterStart?: ExpressionRunnerProps['highlightOverrideActiveAfterStart']
-  variableSize: ExpressionRunnerProps['variableSize']
-}) => (
-  <>
-    <ExpressionRunner
-      expressionContainer={expressionContainer}
-      hideControls
-      hidePriorities={!showPriorities}
-      explanationsVisibility="hidden"
-      variableSize={variableSize}
-      skipAlphaConvert={skipAlphaConvert}
-      highlightOverrides={highlightOverrides}
-      highlightOverrideActiveAfterStart={highlightOverrideActiveAfterStart}
-      initializeInstructions={
-        firstInitializeInstructions
-          ? firstInitializeInstructions
-          : [
-              {
-                type: 'stepForwardUntilPreviouslyChangedExpressionState',
-                state: initialState
-              }
-            ]
-      }
-    />
-    <P
-      css={css`
-        text-align: center;
-        margin: ${spaces('-0.75')} 0 ${spaces('-0.5')};
-      `}
-    >
-      {finalState || finalIsDone || secondInitializeInstructions ? (
-        <>
-          <Emoji size="mdlg">⬇️</Emoji>
-        </>
-      ) : (
-        <>
-          <Emoji>🔽</Emoji>{' '}
-          <H args={{ name: 'afterPlay' }} highlightType="none" />{' '}
-          <Emoji>🔽</Emoji>
-        </>
-      )}
-    </P>
-    <ExpressionRunner
-      expressionContainer={expressionContainer}
-      hideControls
-      hidePriorities={!showPriorities || hidePrioritiesOnSecond}
-      explanationsVisibility="hidden"
-      variableSize={variableSize}
-      skipAlphaConvert={skipAlphaConvert}
-      highlightOverrides={highlightOverrides}
-      highlightOverrideActiveAfterStart={highlightOverrideActiveAfterStart}
-      initializeInstructions={
-        secondInitializeInstructions
-          ? secondInitializeInstructions
-          : [
-              finalState
-                ? {
-                    type: 'stepForwardUntilPreviouslyChangedExpressionState',
-                    state: finalState
-                  }
-                : {
-                    type: 'stepForwardUntilTheEnd'
-                  }
-            ]
-      }
-    />
-  </>
-)
-
 ExpressionRunnerPairSimpleDeprecated.defaultProps = {
   initialState: 'default',
   finalIsDone: false,
   showPriorities: false,
   skipAlphaConvert: false,
-  hidePrioritiesOnSecond: false,
   variableSize: 'lg'
 }
 
diff --git a/src/contents/1.jp.tsx b/src/contents/1.jp.tsx
index 7e30c1a80..596cf205d 100644
--- a/src/contents/1.jp.tsx
+++ b/src/contents/1.jp.tsx
@@ -16,6 +16,7 @@ import AER from 'src/components/AER'
 import NextLessonButton from 'src/components/NextLessonButton'
 import EpisodeCardList from 'src/components/EpisodeCardList'
 import H from 'src/components/H'
+import ExpressionRunnerSeparator from 'src/components/ExpressionRunnerSeparator'
 
 export default () => (
   <EpisodeCardList
@@ -189,7 +190,9 @@ export default () => (
             <P>
               <InlineHeader>例その1:</InlineHeader>
             </P>
-            {AER.uqwm}
+            {AER.ilpo}
+            <ExpressionRunnerSeparator />
+            {AER.osqo}
             <P>
               実はこれ、
               <H args={{ name: 'unknownRule' }} />
@@ -256,14 +259,20 @@ export default () => (
             <P>
               <InlineHeader>例その2:</InlineHeader>
             </P>
+            {AER.imyd}
+            <ExpressionRunnerSeparator />
             {AER.bgfl}
             <P>
               <InlineHeader>例その3:</InlineHeader>
             </P>
+            {AER.emmb}
+            <ExpressionRunnerSeparator />
             {AER.tuqr}
             <P>
               <InlineHeader>例その4:</InlineHeader>
             </P>
+            {AER.jozw}
+            <ExpressionRunnerSeparator />
             {AER.cpkp}
           </>
         ),
diff --git a/src/contents/2.jp.tsx b/src/contents/2.jp.tsx
index e632d271c..28d442286 100644
--- a/src/contents/2.jp.tsx
+++ b/src/contents/2.jp.tsx
@@ -10,6 +10,7 @@ import YesNoButtons from 'src/components/YesNoButtons'
 import EpisodeCardList from 'src/components/EpisodeCardList'
 import H from 'src/components/H'
 import episodeEmojis from 'src/lib/episodeEmojis'
+import ExpressionRunnerSeparator from 'src/components/ExpressionRunnerSeparator'
 
 export const BasicRules = ({
   includeFuncUnbound
@@ -49,6 +50,8 @@ export const BasicRules = ({
       <BottomRightBadge inline bottomRightBadgeType="funcArg" />
     </P>
     {AER.mhgm}
+    <ExpressionRunnerSeparator />
+    {AER.osqo}
   </>
 )
 
@@ -73,7 +76,9 @@ export default () => (
               ここでは、前回のはじめに登場した弁当箱(<Strong>例その1</Strong>
               )を使って説明します:
             </P>
-            {AER.uqwm}
+            {AER.ilpo}
+            <ExpressionRunnerSeparator />
+            {AER.osqo}
           </>
         )
       },
@@ -315,7 +320,9 @@ export default () => (
               </Strong>
               。
             </P>
-            {AER.zxfv}
+            {AER.jwzh}
+            <ExpressionRunnerSeparator />
+            {AER.knhw}
           </>
         )
       },
diff --git a/src/contents/3.jp.tsx b/src/contents/3.jp.tsx
index 9ea9538b6..4ad4fddab 100644
--- a/src/contents/3.jp.tsx
+++ b/src/contents/3.jp.tsx
@@ -19,6 +19,7 @@ import EmojiWithText from 'src/components/EmojiWithText'
 import EmojiForLetter from 'src/components/EmojiForLetter'
 import BottomRightBadge from 'src/components/BottomRightBadge'
 import InlinePrioritiesLabel from 'src/components/InlinePrioritiesLabel'
+import ExpressionRunnerSeparator from 'src/components/ExpressionRunnerSeparator'
 
 export default () => (
   <EpisodeCardList
@@ -284,7 +285,9 @@ export default () => (
               には、最後まで何も起きません。
             </P>
             <P>というわけで、実行結果はこうなります。</P>
-            {AER.iped}
+            {AER.xwim}
+            <ExpressionRunnerSeparator />
+            {AER.awxz}
           </>
         )
       },
diff --git a/src/contents/4.jp.tsx b/src/contents/4.jp.tsx
index aee4aba90..511e24fea 100644
--- a/src/contents/4.jp.tsx
+++ b/src/contents/4.jp.tsx
@@ -10,6 +10,7 @@ import AER from 'src/components/AER'
 import H from 'src/components/H'
 import EmojiWithText from 'src/components/EmojiWithText'
 import YesNoButtons from 'src/components/YesNoButtons'
+import ExpressionRunnerSeparator from 'src/components/ExpressionRunnerSeparator'
 
 export default () => (
   <EpisodeCardList
@@ -200,14 +201,18 @@ export default () => (
                 <InlinePrioritiesLabel>1</InlinePrioritiesLabel>になる
               </InlineHeader>
             </P>
-            {AER.jrxw}
+            {AER.udic}
+            <ExpressionRunnerSeparator />
+            {AER.xzqu}
             <P>
               3.{' '}
               <InlineHeader>
                 同じことを繰り返して最後まで終わらせる
               </InlineHeader>
             </P>
-            {AER.esyi}
+            {AER.dnvw}
+            <ExpressionRunnerSeparator />
+            {AER.nric}
           </>
         ),
         footer: {
@@ -281,7 +286,9 @@ export default () => (
             <P>
               <InlineHeader>1周目はこうなり…</InlineHeader>
             </P>
-            {AER.wepe}
+            {AER.eial}
+            <ExpressionRunnerSeparator />
+            {AER.iwkx}
             <P>
               <InlineHeader>
                 最終的には
@@ -289,7 +296,9 @@ export default () => (
                 が残ります:
               </InlineHeader>
             </P>
-            {AER.bwop}
+            {AER.vjaa}
+            <ExpressionRunnerSeparator />
+            {AER.iifq}
           </>
         )
       },