Kanojo no Imouto wa Nikushoku-kei Gal

1-3, 5. Kanojo no Imouto wa Nikushoku-kei Gal (彼女の妹は肉食系ギャル); Comic Mugen Tensei 2023-05, 2023-12, 2024-10 The main character is invited to the house of his senior, Arisa, whom he is dating, but is left alone in her room to go shopping. As he masturbates in the underwear he finds in her room until sh