Kare no Iru Seikatsu

Ryota Natsukawa is starting university and he suddenly finds out that his roommate is going to be his childhood friend, Kazuhito Tanaka. Despite Kazuhito's picture-perfect looks, he doesn't have a girlfriend. Ryota is curious about why this is and attempts to point out his faults from a girlfriend's point of view. However, as Ryota gets to know more about Kazuhito, their relationship changes. Will they just remain friends? Or will their relationship blossom into something more?

(Source: Animate International)
Note: Includes three extra chapters.