ML is a black dragon who is waiting for MC to reincarnate, he gave MC his dragon orb thing but it too late and he died so he waiting for him to reincarnate, but while waiting he has memory problem and can't remember how MC looks anymore. MC is part of the family who has ML's blessings, they didn't know the bride is guy, MC also doesn't know he is the bride, later he regains his past life memories.
ML is a black dragon who is waiting for MC to reincarnate, he gave MC his dragon orb thing but it too late and he died so he waiting for him to reincarnate, but while waiting he has memory problem and can't remember how MC looks anymore.
MC is part of the family who has ML's blessings, they didn't know the bride is guy, MC also doesn't know he is the bride, later he regains his past life memories.