Triangle/cross is a mobile BL novel game.

Izumi and Yakumo are students who attend a magic school.

Today is another peaceful day... or is it!?

When Shigure, a pompous and over-confident Nue, and Amagi, a free-spirited and stoic Kamaitachi, barrel into his life, will Izumi be able to retain some semblance of an ordinary and peaceful life!?

Meanwhile, Yakumo has to deal with Ritsuka, who is super adorable but scheming, and Kazehaya, the prince-like, patient, and reliable demon! Can he survive through days of taking care of these guys and being taken care of!?

This is a story where two love triangles intersect!

Enter a school where humans and beasts coexist... and fall in love with each other!