EKDV-771: 나의 동정은 소꿉친구에게 빼앗겼다... - 처음으로 그녀를 가질 수 있게 된, 동정의 나에게 섹스 연습 상대가 된 츤데레 소꿉친구

My virginity was taken away by my childhood friend ... - A tsundere childhood friend who became a sex practice partner for me as a virgin who was able to have a girlfriend for the first time