wert's manga / #Immortal(1)

Wadatsumi no Yometori

Complete | Monzen yayohi | 2019 released

Even though he should be able to die like a normal human, Kiyonosuke has been living for thousands of years, all because he accidentally "married" a merman. But Kiyonosuke can't give up on his humanity and has been looking for a cure to immortality.