Hika Ryoujoku: Wana ni Hamatta Futari

Feeble Shinichi feels affection towards his new stepsister, Megumi. However, he isn't the only who fancies Megumi, for a delinquent duo desires something of her as well. Therefore Shinichi finds himself stealing Megumi's panties and recording lewd footage of her for the bullies. Only to discover it isn't enough...