A shy virgin boy experiences his first touch with big-titted women, gradually breaking down his emotional barriers as he's enveloped by their warmth and softness, driven by an overwhelming urge to lose his virginity. Sasaki Fuka and Yuriko Masuda, both voluptuous milfs, emerge as the captivating figures who stir his heart. With gentle yet bold attitudes, the two guide him meticulously through his first intimate encounters, drawing him deeper into their world. In the climax, his ultimate fantasy comes true with a steamy 4P scene featuring male performers.