DDFF-020 Nanami Yokomiya, an innocent beautiful girl who became a prey to romance with a stalker teacher who stabbed her throat. - Yokomiya Nanami

Bullying that Nanami's uniform is chopped up is discovered. Yoshino, the homeroom teacher, encourages Nanami, saying, "The teacher will protect Yokomiya." One day, another tragedy strikes Nanami. I will be raped by my classmates. However, in both of these acts, Yoshino, who is in love with Nanami, tried to save Nanami and attract her. However, Nanami does not respond to Yoshino's feelings. Yoshino who is cut off stabs Nanami's throat pussy and pussy with a cock because of her unusual hatred and distorted affection.