Tsutsui, Masaomi
Seiyuu / Dub
Summary
Masaomi Tsutsui is Mari’s older brother, now 25 years of age. He left school early to start working and had already moved out and married by the time he was 22. His parents are frequently absent due to their demanding work schedules. When Mattsun confessed his romantic feelings for Mari, Masaomi gave his blessing, provided that Mattsun was genuinely serious about their relationship.
