C. Kana-chan, A Godchild, Who Loves Her Uncle So Much That She Keeps Him And Sets Him Free.

Orphaned little Kana-chan found a lonely old man in the park, and that old man, thinking 'He's lonely like me. I'll stay by your side,' started living with her to fill each other's loneliness. As they touched, the old man unconsciously got an erection. Kind Kana-chan gently cared for his painfully swollen, bursting dick. As she cared for the old man's dick, which was like a shell but full of sexual desire, it grew bigger, and she gradually found herself healed too. Kana's love deepened with each passing day and each time their bodies came together. Out of love, she bound the old man's body and mind, treated him like a pet, and descended into bizarre behavior...