<page_title> List of Oricon number-one singles of 2011 </page_title> <section_title> Chart history </section_title> <table> <cell> May 16 <col_header> Issue Date </col_header> </cell> <cell> "Shōjo Hikō" <col_header> Singles </col_header> </cell> <cell> Passpo <col_header> Artist(s) </col_header> </cell> </table>
Passpo's single, "Shoujo Hikou", reached number 1 on the Oricon charts in May 16.