[ROYD-315] An incredibly cute classmate ends up at my virgin house!? A super sweet love-dovey cohabitation for 2 days and a 1-night, intimate sex life seeking a close penis erection

"Please! Could you let me stay just one day?" On my way home from school, I was stopped by my classmate, an S-class first-division girl. She must have been really troubled, since a girl I'd never had any contact with or even spoken to was asking me for help... With no other choice, I promised to stay just one night, promising to keep quiet. Every time her father or mother finds out, she hides under the futon or ends up taking a bath together—a series of erotic mishaps!! "It's the kind of thing you call a 'one meal, one meal,' she said, and her switch flipped...