During winter break, Hinako secretly visited her boyfriend Makoto's relatives' house. There, she encountered elders like the patriarch Hajime, as well as Makoto's uncles and cousins who came and went. This area was a den of depravity where the extended family had a perverse custom of "tasting" the girlfriends or wives of their male members. Hajime and the others, captivated by Hinako's cuteness and beautiful breasts, lured her into various situations. After being thoroughly teased with her small breasts, Hinako's masochistic tendencies blossomed, and she began to crave sexual acts... [Please note that there may be some irregularities in the images and audio, but this is not a defect in the product itself, so please understand.]