From Beyond the Sky:

The affectionate top student Hamada, and the simple, but cool Osamu are both deeply attracted to each other. Hamada, being the affectionate one, is easily attracted to other people, regardless of their sex. However, in the end, he will always return to Osamu's side. Sometimes, Hamada feels like he is being manipulated, but he also feels that Osamu loves him. This is their ironic love story.

What would you do if you suddenly encountered a high school kid who asked you to be his first lover? Well, that's what 27 year old Akira-san decides upon.

1-2) Rainy Love
When Hayama Hikaru hears a mean rumor about his co-worker Nanashima Yukihito's "size", he wonders if it's true. But Nanashima turns out to be a sweet guy and they become friends. But does Hayama want more?

3) More than a Lover, Less than a Loved One
Fujimi Kyou has only been at the company two weeks, but his boss already loves to bully him. Now that teasing has escalated into sexual harassment!