Okyuuryou wa Kareshi desu

A love contract with her older and sexy boyfriend! April when it's dancing with Sakura, high school first year, Ayano, is the design apartment's president and she falls in love at first sight with Iori-san. They start going out after she confesses uselessly! ...but it's only a contract. The love is fake!!

(Source: Chibi Manga)

Included One-shot: Volume 1: Tsumasakidachi de Yume Miseyou