SHKD-435 [Uncensored Leaked] Piano Teacher Rape Melody Haruka Sasaki

Haruka is worried about her students' behavior in class. Having been subjected to severe corporal punishment in the past, she is unable to treat them stricter. Haruka takes advantage of her own leniency and sees the students' behavior in class getting worse day by day. Haruka decides to take action, but ends up injuring a student in an accident...