The Emperor of Dragons' Haisa

I woke up on an altar, in a stranger's body, in a different world. A world where wizards and dragons are in charge, monsters abound, and gods are treacherous and love to bet on humans. The fate of a forced migrant, an inconvenient gift, and troublesome relatives — you couldn't come up with anything worse for the start of a new life. That's what I thought until the heir prince declared he was looking for his betrothed...