Onii-san
お兄さん
Main Character
Getsuyoubi no Tawawa
Deskripsi
Height: 175 cm
"Onii-san" is one of the main characters of the story. His birth name is unknown. He never formally introduces himself to Sachi, so she just calls him "Onii-san". He has light colored hair and always wears a face mask.
