Iro no Aru Sekai

Avoiding Deguchi for a long time, Onoda feels uncomfortable but cannot come up with a solution. He thinks lots of details about two men's relationships and tries to make this thing easy for himself. But Deguchi gets impatient and visits him at the end. Onoda agrees to go out with him but they cannot have sex for two months just because Onoda's confusion about intercourse.

In second part, Onoda gets jealous of Deguchi and takes him home some night. What will happen after they finally get together for such thing?