Yongsaga Isseonneundeyo

All Ell wants is for a warrior to come along and kill him so he can finally achieve a comfortable life after death. Just when it looks like he might get his wish, he accidentally kills the warrior who came to end his life. But Ell soon comes up with a different plan: if there are no warriors to kill him, he can raise one himself! So Ell the dragon, Lafi the magician, and Dino the baby warrior become an unconventional family. However, Ell soon discovers it’s harder than he thought to teach a baby combat moves!
(Source: WEBTOONS)