Chap 1-14.6 --- On his way home, Saki-san collapsed due to a fever. Shinomiya, a college student, saved and nursed him back to health. A super fluff love between a salaryman and a student with a 15-year age gap.
Chap 15-16 --- Another fluff which started with a curious kiss
Chap 17 --- From friends to H buddies to lovers
Kokoro (kanda neko)