Constellation:

Character:

Masao "Mark" Inaba is a troublemaker who is friends with Kei Nanjou and the protagonist in Revelations: Persona. He is the polar opposite of Kei and they do not always get along. Masao visits Maki Sonomura frequently in the hospital, and has seemingly developed a crush on her. He is also depicted as the mood maker of the group.

Source from Wikipeida