"Due to a distant relative's request, I became a home tutor. However, Yuna, who is full of captivating charm and has the power to turn a lover of small breasts into a lover of big breasts, continues to play mischievously during our study breaks today! Will Yousuke, the home tutor, be able to resist his desires in front of Yuna's overflowing, erotic, and bewitching body...? Their first intimate experience with the naughty yet pure Yuna is depicted in rich detail...!"