A dirty student named Aika, who hates showering and doesn't clean her room, is played with by a masochistic man named Usagi Aika (DNJR-026).

Aihua, a dirty student with a strong body odor who hadn't showered for a month, wore the same underwear for a month without changing it, brushed her teeth only every three days, and started engaging in compensated dating with an older man who liked body odor...