Secret

Serialized in the magazine Monthly Shonen Gangan between October 2013 and March 2015.

After months of therapy to help them cope with a bus accident that killed all of their classmates, the six high-school students who survived the accident are told by their counselor that three of them are murderers, and that he will turn the evidence to the police if they do not confess in a week.

All of them suddenly find themselves engaged in a race against time to prove their innocence, but it is not so easy to trust others when everyone has something to hide