アタシがヌいてあげよっか？-実写版- 原作:暗中模索　即10,000部突破の快作！

Shall I help you masturbate? – Live-action version – ⁰

Overview

MIMK-159 The protagonist allows his brother and his family to live in his house for a while. Despite his kindness, he suffers every night as he overhears his brother having sex with his wife, leaving him feeling sexually frustrated. One day, Hikari, his niece, offers help to console him by masturbating him, and this marks the beginning of an incestuous relationship.