In the near future, Japanese government successfully developed a new energy "Ψ" called psi that have been laid under its land from ancient time. Sakuya, Goht and Leon who are special forces "Kerberos" who dedicate themselves to protect the secret of Ψ from various powers. The strongest solder is a beautiful girl, Sakuya. She has a trauma but stands with team members, Goht and Leon, who admit her strength and weakness.

From Entropy:

Naruse Kazuki and Koutake Haruki are on the advanced track of Seitoukou Academy. Though they are not connected by blood, these two whose faces are so similar coincidentally have their 16th birthdays on November 11th. However, on that fateful anniversary, the cogs of fate have begun to turn. A game involving both their destinies has now begun!