A private tutor who always kindly teaches him how to study. A young boy is aroused by his teacher's large breasts... When the teacher finds out that such an innocent boy is suffering from premature ejaculation, she is confused, but she says, "I'm an old lady, but is it okay?" and stimulates his penis with her gentle tone and fingertips, and the premature ejaculation improvement play is the best. She gets excited by his penis that doesn't go limp even after ejaculation and gives him practical sex instruction! She is big-breasted, sexy, and kind, and he cums inside her many times.