It's been five years since my son's friend, Yuu-kun, and I first crossed that line. The night my husband's third affair was exposed and we had a fight, Yuu-kun comforted me as I was worn out. Then, with pure eyes, he confessed, 'As payback for the cheating, is it okay if it's me?' Although I felt guilty about making a move on a student, I couldn't help but respond to those feelings. Then, after years, I felt warmth against my skin and remembered the exhilaration. From then on, we continued our secret relationship, but changes in our environment came with graduation and departureー
