The Unused Ticket Waited Under Her Pillow

Rina opened her travel bag to pack for a school trip and found Mio's borrowed cassette tape wrapped in a handkerchief. The date of their first private talk was written inside in pencil. Rina wanted to return it before anyone could guess how much it mattered. Her Observer skill had trained her to stand near every crisis while being unable to step into it. At Hoshimine Girls' Academy, that made her useful during exam season and easy to blame when people fought. A train ticket under her pillow changes the rules. It was never used, yet it carries the date her sister disappeared. Mio pushes close when Rina tries to pull away, while Suzune turns Rina's silence into proof that she should be sent ho...