Arasa-chan Mushusei

Arasa is at a crossroads in life between popularity and ego. Arasa is suddenly invited by her ex-boyfriend Oraora (whiz of Charai event management company) to join a party of sex friends. The party includes Yurufuwa (a cute, lovely girl), Taishu (an average boy), Yaririn (head hostess with a loose crotch), and Himote (publisher, who wears men's glasses). Hitomi is left uncomfortably behind, but she ends up in love.
(Source: wiki.d-addicts)
~~ Adapted from the manga "Arasa-chan" (アラサーちゃん) by Mine Nayuka (峰なゆか).