Minori decided to take care of her relative's nephew, Yu-kun, at home. Yu-kun is completely horny in the defenseless appearance of Minori. Using an aphrodisiac she secretly obtained, she succeeded in transforming Minori into a pervert. Yu-kun's naughty desires gradually begin to run wild. Even though she knows it's no good, she accepts her nephew's cock and asks for her vaginal cum shot.
