Incha no Boku ni Sefure ga Iru Koto wo Kurasu no Kimi Tachi ha mada Shiranai (Associated Names)

Tōyama, an unassuming high school boy who is introverted, is walking the streets at night in search of contraceptives while having s*x with his girlfriend, Takai Yumi. He finally finds a cond*m vending machine. Just when he thinks he finally found a cond*m, his classmate Marika Uehara, a beautiful girl in the upper caste of…