Otaku ni Yasashii Gal toka, Kyonyuu no Osananajimi toka., オタクに優しいギャルとか、巨乳の幼なじみとか。, Otaku ni Yasashii Gyaru toka, Kyonyuu no Osananajimi ka, 오타쿠에게 상냥한 갸루라든지, 거유의 소꿉친구라든지, An Otaku-Friendly Gal, or a Childhood Friend with Big Breasts, Une gentille fille, voire une amie d’enfance plantureuse pour un otaku
Otaku ni Yasashii Gal toka, Kyonyuu no Osananajimi toka 1

Tsubasa always thought of himself as a hopeless otaku until his childhood friend, the busty and outgoing Rumi, confesses her feelings for him. Their playful teasing turns into something deeper when Rumi seduces him, stripping away his insecurities with her soft touch. As they succumb to passion, Tsubasa loses himself in her warmth, realizing their bond is more than friendship—her body driving him wild with pleasure neither can resist.