Option 1: If you mean "Lifestyle Habits" (The literal translation)
The story follows Shuntarou, an otaku with a fetish for sibling romance, largely driven by his three sisters: Ayaka (irritable/busty), Chiaki (beautiful), and Fuyuno (cynical/flat-chested). The Incident: seikatsu shuukan 01 1080p audio latino l upd