"Nice to meet you. Is your mother there?" Yoshio, who was home alone, was visited by his mother's best friend, Mako. Yoshio and Mako ended up waiting together for his mother to return from shopping. Yoshio was at the mercy of her unrestrained and uninhibited charm, with her deep cleavage unashamedly exposed, and he could not suppress his rising desire, his groin began to heat up. Encouraged by Yoshio's innocent reaction, Mako boldly began to seduce him...