Senhad Aradam is a genius who won an academic award and was well known for creating games that held the number 1 position for as long as 20 weeks. Despite all of that, he was bored of the bland and peaceful world he lived in.

A murder puts the lives of 4 friends in jeopardy, what they thought had been done and dealt with has now come back to haunt them... 10 years ago Hashimoto Daisuke, Kazama Kazuki, Hoshina Emiru, and Tachibana Reiko thought that they had gotten away with murder... literally. That was until they ...

One day at school someone named Funny witnessed a crime committed by a man with a gun who shot the teacher. Funny called the police. The police arrested the man who shot and killed the teacher. When the gun man being arrested, he was laughing at funny.