HBAD-511 The voluptuous new bride, Kaikūka, can't suppress her desires as she secretly undergoes brutal training with her father-in-law behind her husband's back.

Hana who lives with her father-in-law at her husband's parents' house. Unlike my naive husband, my father-in-law, who has a glaring libido, tries to get his hands on flowers every time. One day, Hana witnesses her father-in-law taking care of sex toys in her room, and her de M instincts are ignited. The father-in-law immediately sees through it and ties the flower up with a hemp rope, but instead of hating it, he begins to feel it...