From MegKf:

Anthology of oneshots.

Keiko's at a wedding for the one she loved. She wants to cry, but sees that the guy, Haru, next to her crying. Keiko feels that they can get along since they were both rejected. But Keiko finds out that Haru was gay and that they both loved the same guy. The two of them get along real well and start to live with one another. But Keiko starts to fall in love with Haru and doesn't know what to do...

This volume also includes 2 other stories: Honey and Sekai De Ichiban Yasashii Kiss.

(Source: M-U)