Character
Onii-san
お兄さん
Also known as: Mister · Akihiro Higashiyama · Minoru Kanda · Mask
Biography
Show bio — may contain spoilers
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.
In chapter 43, he revealed that his name is Haru.
Appears in