Other Name: 恋愛協定 抜け駆けナシ！ ; Romance Agreement - Dont Steal a March on me!
Author: Kazumi Maki
Year of release: 2014
A childish student, Shirou carries a torch for his teacher, Oka. Masami, a good friend of Shirous, who has cherished him like a brother, is confronted by Ryuuji, another friend of them, concerning his true feelings for Shirou. Masami and Ryuuji conclude a gentlemens agreement, in which either of them cannot hit on Shirou. Ryuuji orders Masami to substitute and take care of his sexual desire instead of Shirou.