Katakoi Triangle(2008)

Katakoi Triangle

Sekiya-san of the cultural library has an unrequited love for Yuuki-kun. The one who cares about Sekiya-san is the popular Kasai-kun, who is also Yuuki-kun's friend! And, what's this? Yuuki-kun is rooting for Kasai-kun?! It seems that everyone's feelings are one-sided...or are they?

Included one-shot:
Volume 1: Secret Garden