SSNI-676 Sneaking around with his best friend Aika Yumeno's lover

Stealing with his best friend Aika Yumeno's lover: Aika Yumeno has a lover and they are quite cold about sex. And then one day when her lover's best friend came to visit and tried to steal Aika Yumeno's stamp because she was so pretty. After Aika Yumeno's lover was absent for a few days, his best friend came to hang out with Aika Yumeno. Will everything be discovered? Please come and watch!!!