1-3+6. Salary man Saeki Ryouji is taken in by incredibly rich high school student, Ryuunosuke, after collapsing in the middle of the street. Despite their 17 year age gap (18 and 35), they become lovers. Also Saeki is divorced and has a kid whos like 8ish
4-6. The story of Ryuunosuke's butler Nakaya and Mashita, Ryuu's best friend, who's always trying to woo Nakaya. They end up sleeping together, and becoming lovers as well.
Oyaji Hiroimashita