A kind sister who cooks and takes care of her hikkikomori brother! She works during the day, but if asked, she even takes care of his lower body needs... At first, her brother only asked for handjobs, which she reluctantly agreed to, but as days passed, his demands escalated! Unable to refuse, she even exposes her breasts and gives him blowjobs, but her brother eventually goes too far with penetration and internal ejaculation! Every day continues with this inappropriate relationship, yet the sister keeps taking care of her brother. What are her true feelings...
