Ch.1-2 Karasu ni Diamond - Otomura (a "delinquent" looking guy with blond hair and tattoos) saves Satori from a crow (Kuro-chan) that bothers him. Turns out the crow had been injured and was nursed back to health by Otomura so the crow listens to him. Otomura doesn't want people to know about his gentle side so tells Satori not to tell, but when his friends believe he's being threatened by Otomura, Satori spills the beans about his good side. Otomura finds out and is angry, so he ignores Satori who feels bad and cries to Kuro-chan when the bird blocks his path and confesses his love for Otomura who overhears the whole thing.
Ch.3-4 Cherry Blossom Fall - Komiya can always spot Koma in a crowd. Koma is popular with girls but is afraid of them. One day, a couple of friends of the two mentions to Komiya that apparently Koma was seen in the red light district walking "intimately" with a guy. Komiya is jealous and angry and after seeing another guy leave Koma's house, he pushes him down and has sex with him. Later, Koma tells him that the guy he saw was his nephew and overcome with guilt for his behavior, Komiya runs out of the house but Koma chases after him.
Ch.5 Flora - Kazu stole Yousuke from his girlfriend and constantly worries that someone will steal Yousuke from him. When a stranger comes, Kazu is on alert. As it happens, the stranger was a detective hired by the ex-girlfriend to bring Yousuke back.
Karasu Ni Diamond