Contains several stories:

Renai Zemi

Shigeta Maki has a crush on his professor, but he doesn’t know the first thing about love or attraction, let alone with another man. After spying his classmate Yoshioka in a lover’s quarrel with a man, Maki ends up asking him for love lessons! What exactly will Yoshioka teach Maki?

Koi Shitara Mermaid

After falling into the ocean, Hirose Misaki awakens on a boat with a strange man that is convinced Misaki is a mermaid that became a human so they could be together.

Mori no Kumasan

One day, Jyou got lost in the forest and befriended Kuma, a reclusive man that lives alone deep in the woods. Jyou returns a half year later, claiming he left something behind. Heavy snow strands Jyou and he readily imposes himself on Kuma in more ways than one.

(Source: shinkeikaku)