TW: dub-con, tentacles, femdom --- A Curious Science-Loving Girlfriend × A Serious, Straight-Laced Younger Boyfriend Kagari, a no-nonsense, hardworking college student, falls head over heels for a curious and brilliant science major who's two years his senior. After a passionate and persistent pursuit, he finally wins her heart, and the two begin dating. Though often thrown off by her unpredictable pace and boundless curiosity, Kagari enjoys a happy and fulfilling relationship. But one day, an accident during one of her experiments causes something bizarre—tentacles begin to grow from her body. At first, they seem useful for her research and daily life, almost like an extension of her curiosity. But soon, the tentacles start moving as if guided by her deepest, hidden desires… <br><br> 好奇心旺盛な理系彼女×真面目な体育会系年下彼氏 同じ大学に通う2つ年上の理系彼女に一目惚れし、 猛アタックの末に付き合うことになった主人公・かがり。 真面目で堅物な彼は、好奇心旺盛な彼女のペースに翻弄されながらも幸せな日々を送っていた。 ある日、実験中の事故で彼女の体に触手が生えてしまう。 はじめは観察の一環として便利に使っていた触手だったが、 次第に彼女の奥底に眠る欲望を映し出すかのように動き出す。