Sayonara Ryuusei Konnichiwa Jinsei (WN)

The oldest and strongest ancient Dragon who grew tired of living chose to die when the Heroes came for his life. The dragon was supposed to sleep forever in the underworld, but when he woke up, he had been reborn as a human baby. The Dragon then regained its will to live and decided to live its life as a Human to the fullest. The Dragon was born as the son of a farmer and lives his life in the frontier, possessing enormous amounts of power due to his soul being that of a Dragon. He then encountered the half-human, half-snake lamia Selina, and later joins the Magic Academy. During his days at the magic academy, the human, who was once a dragon, lives his life in joy, spending time with beau...