Otouto ni Koi Shitara

From Attractive Fascinante:

1, 2, 6) The stepbrothers, Yamaguchi Masato, a salary man, and Akihiro, a model and an actor, are staying together because of some reasons. Masato always dreamt about Akihiro pampering him in bed. However, Akihiro was really holding him in bed when he woke up one morning and he couldn’t remember what happened the night before. Was it a dream or reality that really happened?

3) Be Conscious Even If You're Asleep
It's common for Takao, Akihiro's manager, to wake up and find a naked woman in his bed. But after a drinking party, he wakes up to find a naked man (Andou) sleeping next to him... even worse, it's someone he knows! Takao goes back to sleep and ends up brushing it off as a dream... buuut, what about Andou?

4) A Cowardly Man
Akiduki-san is always yelling at his kouhai Kagami, but he secretly loves him. When their manager tells Kagami to set Akiduki up on a goukon, the whole thing ends up with the two guys kissing. The next day Kagami apologizes... where does that leave Akiduki?

5) Bandaids
Infirmary sensei Fuwa is in love with his co-worker, Amaki. When one of the students comes crying to the infirmary because Amaki said has a girlfriend, Fuwa is dejected; but then, Amaki touches his hand...