rinas husband had a sister named hana. one day, hana suddenly showed up at rinas house. rina, an only child, was happy to live with her sister-in-law, but from that day on, rinas chastity began to crumble bit by bit. she was already sexless with her new husband. was it loneliness or a gap in her heart? rina trembled with excitement as she felt herself sinking into a sweet world. hanas tongue gently covered everything.