Morgan, a young man going on a trip to visit his parents, ends up nearly drowning when his ship sinks. When he awakens, he finds himself in a world ruled by monster girls and three of them want him to be their husband! He has only five days to get to know them and choose a girl to be with.

Morgan, a young man going on a trip to visit his parents, ends up nearly drowning when his ship sinks. When he awakens, he finds himself in a world ruled by monster girls and three of them want him to be their husband! He has only five days to get to know them and choose a girl to be with.