generate 5 isekai anime ideas
Soul Summoner: After dying in a video game, a gamer is transported to an alternate world where he can summon the souls of defeated enemies to fight alongside him.

Magic Market: A high school student is transported to a fantasy world where magic items are sold in a sprawling bazaar. She finds herself caught up in the competition between different vendors and must learn to navigate the magical market while searching for a way back home.

Knight's Crusade: A knight from the middle ages is summoned to a world at war with a demon king. He must learn how to work with his new allies, including a mage, a rogue, and a healer, to defeat the demon king and save the kingdom.

Reincarnation Roulette: A group of recently deceased people are sent to a new world where they are randomly assigned a new body, profession, and life. They must navigate the challenges of their new lives while also trying to discover the truth behind their reincarnation.

Galactic Guardian: After being abducted by aliens, a space engineer is given a powerful mech suit and tasked with protecting the galaxy from a mysterious threat. Alongside a team of alien allies, she must battle space pirates, rogue robots, and other dangerous foes to keep the galaxy safe.
Write a list of characters (and there motives) for Knight's Crusade and Magic Market.
写一个Android的loading动画，由3个圆点组成