Rina's husband had a sister named Hana. One day, Hana suddenly came to Rina's house. Rina, an only child, was happy about living with her sister-in-law, but from that day on, Rina's chastity gradually crumbled... Already sexless in her new marriage. Was it loneliness or a gap in her heart? Rina excitedly felt herself sinking into a sweet world and trembled. Hana's tongue gently covered everything.
