Pure Heart

Through a coincidence Tozaki runs into Kurata, his first crush from high school. They begin a relationship, but Kurata's jealousy starts causing problems.

Takumi-kun Series: The Rainbow-Colored Glass

Takumi and Gii are now a couple, but Takumi is still uncomfortable with showing affection. Not only that, but Takumi grows jealous when Gii starts paying attention to a good-looking first year student. Is Gii's love really that fickle?