SHKD-547 [Uncensored Leaked] Schoolgirl Confinement and Abuse Devilish Gangbang 112 Mana Makihara

Yumi Yamamoto has loved books since she was a child. She was a member of the library committee, surrounded by her beloved books. One day, she heard some upperclassmen making a fuss in the library. Although Yumi was scared of the rough-mannered upperclassmen, she mustered up the courage to tell them off, but...