Mother's best friend

Kenichi, tired of his mother, who was so noisy about studying, happens to have Yuka, who had come to visit his mother and come and visit him, and he will take a look at his studies... Kenichi is insanely excited by Yuka, a talented woman from a national university, as well as a beautiful, sexy, and perfect adult woman... When Yuka saw Kenichi's innocent reaction, she teases him by saying, "Shall I teach you girls more than studying?" Kenichi, who has been obsessed with Yuka's devilish charm, sneaks into the bathroom to peek at Yuka while he is bathing...