The Rib of Adam

Overview

Hirose works at Dream Park as the beloved mascot Ricky. Coming home after saving a child from being abducted, Hirose discovers he has a new roommate. Kazuha is one of his colleagues and helped Hirose rescue the child. At first, he thinks Kazuha seems like he'd be easy to live with but the next day, it's like he's turned into a completely different person! Kazuha comes onto Hirose and whispers to him, "This is what kind of relationship we have, isn't it?" and he passionately kisses him?! Kazuha has multiple personalities within him, there's the demure Kazuha, the feisty Ray, and... A new riveting story of passion, jealousy, and tug-of-war for love! (Source: MangaPlaza) Note: Includes two extra chapters.

Source: AniList