"Huh? Am I a sadist?" A childhood friend scolded me. A childhood playmate I scolded... HUNTA-845

The three of us are childhood friends, playing together in the same schools from kindergarten through elementary, middle, and high school. One is a cute girl, and the other is a handsome guy who excels in sports. They're dating. Perfect match. But actually, I love her too. One day, while playing a psychological test, I started to suspect my girlfriend was a masochist… My childhood friend, blindfolded and deprived of her freedom. When my childhood friend's voice said, "Stop," all I could hear was, "Do more!"