HMN-866 Tojo-san, a classmate who secretly lets me have sex with her and ejaculate inside her while we're commuting by train. - Natsu Tojo

Every morning, I commute to school on a packed train that takes an hour each way. Every morning, surrounded by middle-aged men and filled with their stench, was unbearable. However, one day, that all changed drastically—I was swept along by the crowd and pressed against Tojo-san, a classmate I'd barely spoken to. The train's swaying caused me to accidentally touch her incredibly soft buttocks, which made my penis become super erect, and...