Mujihi Na Anata
Guy in a relationship is insecure that the guy he's going out with only goes out with him because he seduced him, because an ex told him that before.
Kaeru no Prince-sama
Nozomu Bekumonai
Guy is childhood friends with this oblivious but popular guy who always gets dumped because he's a little dense. Their families are close so he always delivers something to the guy. One day he confesses that all this time, he has had a thing for his friend.
Hitotsu Shikanai Mono
A guy insecure about the fact that his twin brother seems more upbeat and popular prostitutes himself. One day, he meets this charming man who says wants to be his friend.
Turning Point (yaoi)
About an insecure scriptwriter who meets a college kid on an existential trip and has a one nighy stand with him.
Youjin