One Room of Happiness

An unnamed 14-year-old girl who is physically abused by her parents, sexually abused by her teacher, and bullied by her classmates decides to commit suicide, but is stopped by an unnamed man who always wears a mask. She decides to run away to live with the man and begins calling him "Mister." He gives her the name Sachi, meaning happiness. The police treat her disappearance as a kidnapping, and begin searching for the two. They make a pact that if they can escape from the police they will get married, but if they get caught they will end their life. ==Characters==

; :Portrayed by: Shuhei Uesugi Anna Yamada (TV series) :Sachi is a beautiful 14-year-old victim of her abusive parents and was bullied by her classmates at school. Sick of her own life, she decides to end it before the "older brother" saved her life. Her current name is given by the "Mister," and the kanji of her name comes from the word "happiness," which Sachi always adored. ==Media==

Manga 11 compilation volumes have been released. The series concluded with its 11th installment in December 2022. Crunchyroll licensed the manga for English publication. Volumes {{Graphic novel list | VolumeNumber = 2 | RelDate = 22 July 2017 Five-piece band Flow performs the theme song titled ==Reception==

In 2017, the series won third place in Pixiv and Nippon Shuppan Hanbai, Inc's Web Manga General Election. ==See also==