MIAB-315: 綺麗だった姉はアラサー喪女ニート 結婚に失敗して実家に引きこもり、毎日エロゲーばかりで性欲溜め込み、倫理観バグって、エロス覚醒。弟の僕を中出し肉棒オモチャとしてオナニー道具にして困ってます…！ 森沢かな

- My sister, who was beautiful, is an arasa mourning woman NEET She failed to marry and withdrew to her parents' house, and she accumulates sexual desire every day with only erotic games, and her ethics bug awakens Eros. I'm in trouble using my younger brother as a masturbation tool as a meat stick toy ...! Kana Morisawa