BSTA-001: イケリーマンの後輩がヤンママと仲良くて俺んちに連れ込んだ！モテない俺は絶好のチャンスと酔わせて過激で卑猥なゲームを始めてみた…Vol.1

- A junior of Ikelly Man got along well with Yang Mama and brought her to me! - I'm not popular, so I got drunk with a great chance and started a radical and obscene game ... Vol.1