An inexperienced, gloomy couple is being developed by a group of extroverted, bitchy gals...!
The fate of Akiho, the boyfriend who has never had sex, and Suzune, his girlfriend, changes dramatically when they accidentally meet their childhood friend Sayu, who has become a full-fledged gal. The two have their
first sexual experience at the hands of the gals, and discover the melting pot of pleasure.
Suzune sees her boyfriend being taken advantage of by the three gals, and she makes up her mind to push Akiho down...!?
経験の無い陰キャカップルが陽キャビッチギャル達に囲まれてドンドン開発されていく…！
まだ経験したことのない彼氏の秋穂と彼女の鈴音は、すっかりギャルとなった幼馴染みの紗優と偶然出会ったことで運命が大きく変わっていく。
ギャル達の手によって初体験、さらに快楽の坩堝を知ってしまったふたり。
3人のギャルからいいようにされている自分の彼氏を見た鈴音は、意を決して秋穂を押し倒し…!?
