Bros (Tobi Washio)

A cute little brother suddenly became a beast. Yusuke and Tokio are brothers living together in their parents' house. One night they have an unexpected encounter in the city, and their secrets are revealed: Yusuke is gay, and Tokio is bi. Even though it was a shocking discovery, Yusuke keeps trying to play the good older brother, while the younger brother Tokio can't look at him in the same light anymore. The love battle between a poker-faced brother and one that has a soft spot for bad men begins! (Source: Renta!, translated and edited)