Caught with a severe fever, Tobio Ikuse, a second-year high school student, was forced to miss his school trip on a luxury liner with his schoolmates. Four days later, Tobio hears the news about the disappea...

Though no one in school is aware of it, Ootaki-kun, a first year high school student, is a big fan of 80's songs and idols. One day, he found out that his classmate that sits next to him, Yakushimaru-chan, h...