Astraeus's manga / #Promise:10yrs later(1)

Multiple stories First: popular coworkers go out for a drink, have a one night stand, and the virgin falls for the flirtatious one Second, age gap of 10 years, responsible younger seme falls for older uke whos a researcher Third, a useless(?) man takes over his customer's house, and sticks to the landlord, and they end up in love