SSIS-573 My lover's slutty sister

Miru likes her senior Yamamoto. But Yamamoto is in love and living with Miki, who is in the same department as the two of them. Not giving up, Miru is determined to make a plan to win back the girl of her dreams. She often wears a long dress, making an excuse that she doesn't know how to write a report, so Miru asks Yamamoto to teach her. Miru constantly sticks close to Yamamoto, she even sits on him, holding his cock and inserting it straight into her pussy right in the middle of the office! At first glance, it seems that Miru is attentively asking Yamamoto to teach her, but in reality, the two are secretly fucking each other! However, Yamamoto still has feelings for Miki, he doesn't want to break up with her. Seeing that, Miru becomes more aggressive, she tries to seduce him more. The feeling of excitement, stimulation, and pleasure that Miru brings conquers Yamamoto. He agrees to break up with Miki and becomes her boyfriend...

SSIS-573 My lover's slutty sister