Selfish.

1-3. Ore-sama Teki Rei is a dorm manager for the modelling agency made famous by his older brother who happens to be his idol. Kazuto, a new arrogant model at the agency, keeps telling Rei that he's a pushover and needs to have more confidence. But Kazuto who has all that confidence himself is also always getting angry when another model, Hisashi, hugs Rei and goofs around with him. What's that all about? (This story is also published in Ore-sama na Aitsu a.k.a. His Arrogance) 4. I'm not a Replacement Masame is secretly in love with Yuuki, who can't stop talking about his girlfriend. Toudou offers to be his backup lover, but Masame isn't convinced. 5. Natural Strongest Follow-up to chapter four.