Sayounara Ryuusei, Konnichiwa Jinsei

or a long time, humans defeated the world’s oldest and most powerful dragon. This dragon was so powerful that the gods feared her, but she preferred to die alone. The dragon then awoke to a new life as Doulan, a man living in a secluded village.
But one day, while exploring a swamp, Dolan meets Celina, a creature known as a lamia that is half human and half snake. She’s looking for a mate but acknowledges she’s not very good at obtaining