Before It's Said

Souichi Tatsumi, who is NOT a homo, has strange dreams every now and then. Sometimes they are scary and sad, and at other times they're erotic and abnormally realistic. They are all centered around his kōhai, Tetsuhiro Morinaga.
He denies it to himself and everything around him, but when he finally says it, what can happen afterwards?
Story begins 'round volume 9-10
Koisuru Boukun belongs to Hinako Takanaga.
Sex, swearing, y'know, means this story isn't for kids.