In the Momoiro series:
V.1 - Momoiro Junjou Danshi (Purehearted Boys)
V.2 - Momoiro Renai Jijou (Love Circumstances)
V.3 - Momoiro Himitsu Danshi
"Somehow, over the summer, Yamaguchi ended up going out with his best friend, Takagiri. But now that they're together, something's really been bothering Yamaguchi; why does Takagiri love him so much? Is it his shaggy hair that begs…