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What's the best way to get your crush to notice you? Kill her boyfriend and kidnap her.

The boy "Nao" who was worried that he was bigger than his short back, now he is confident that he often has sex with his sister-in-law's friends "Nagisa" and "Yukiko". On the other hand, my sister-in-law's "Chiaki", who was thrilled by her younger brother, accepted a forcible invitation from her younger brother .