It's been about 5 years since I first crossed the line with my son's friend, Yu-kun. The night my husband's third affair was discovered and we had a fight, Yu-kun comforted me. And then Yu-kun confessed to me with pure eyes, saying, "Can I be the revenge for the affair?" While feeling guilty about touching a student, I couldn't help but respond to his feelings. And after many years, I felt warmth on my skin again and remembered the feeling of excitement. Since then, I've been secretly continuing a relationship that satisfies each other, but changes have come to the environment surrounding us, such as graduation and departure...
