18+ Tachibana-kun Daite Kudasai!: Hajimete no Aite wa Douryou Ouji!?

"I want to have s-sex with you...!"

Office worker Sumire has been around girls all her life, and thus, is bad at talking to guys. This is why she's never had a boyfriend! But she wants to experience something at least once... and that something is sex! That may be a tall order for a woman who can't talk to men. However, there's one male coworker that Sumire feels comfortable talking with. When she asks him to have sex with her, he agrees! But on one condition... The popular hottie in the office, Tachibana; Sumire, the beautiful woman who's a virgin that can't get a man.

(Source: Bunkasha)