1-4. Suzuki and Irie meet through work, and Irie asks Suzuki to be his sugar baby. Irie really wants Suzuki to depend on him.
5. Yagi hates the second year "Kougami" purely due to the gossip that he's better looking than Yagi. He becomes friends with a boy who eats lunch in a bathroom stall, who turns out to be Kougami.
6. Hatano saves a guy named Niino from a creep, and Niino feels indebted to Hatano-- so much that he offers up his virginity as thanks
Fuyou Kareshi