Unable to accept the relationship between the three, which is gradually falling apart, Suji takes on the challenge of the “Kolatz Conjecture,” a difficult problem that has yet to be solved, relying solely on mathematics. But what awaits him at the end of his challenge is a shocking conclusion that no one could have predicted.

Cast

Yosuke Sugino

Mitsuya Ryoji

Ryo Ryusei

Kumazawa Yuichi

Nagisa Sekimizu

Saito Sana