Kurasu de 2-banme ni Kawaii Boyish Osananajimi wo, Ninpaku Sanka no Shuugakuryokou de Netotte Tanezuke Sex Tsuke ni Suru Hanashi

Aya Minatori, my childhood friend, is the second cutest girl in our class. The reason she is said to be second is because she already has a boyfriend. But to me, Aya has always been number one... "I will make it happen" During a two-night, three-day school trip, I received a divine revelation. It was the power to find a way to get my childhood friend back, to engrave pleasure into her body and transform it into one that cannot return to her boyfriend. (Source: Kadokawa, translated)