Masaomi Tsutsui
Kanji 筒井 昌臣
Romaji Tsutsui Masaomi
Appellation Maa-kun
Gender Male
Age 25
Relatives Mari Tsutsui (sister)
Voice Actor
Japanese Yamaguchi, Kappei
Masaomi Tsutsui (筒井 昌臣, Tsutsui Masaomi) is Mari Tsutsui's 25-year-old brother who quit school early to work, already moved out and married at the age of 22. Their parents work all the time. Mattsun told him that he's in love with Mari and he said that he approved of it as long as Tomoya Matsunaga serious

Appearance Edit

Masaomi is a purple eyed man with gold and black hair. He loves to wear his sunglasses in his forehead.


He is a bit punky and is shown to love mari very much,he also approves of tomoya.

History Edit

Trivia Edit

Mari calls him "Maa-kun" while he wasn't married.