Yuna plays Kawaii, a beautiful nurse with a big butt and a very seductive figure. Today she came to take care of Matsuda-san, an old man with short-term memory disorder. She constantly brushes her breasts against him, dresses provocatively to reveal her big butt, and deliberately puts it in front of the old man. She feeds Matsuda-san with her mouth, cleans his penis with her own mouth! Thanks to Yuna's special "care", Matsuda-san's sexual desire gradually comes back to life! And since then, both of them have been having sex every day, and every time, Yuna squeezes out all of the old man's sperm until the last drop...