His full name "Levius Bougainvillea" •You were born in different family and you were young when your mother died from illness and entrusted you under their family's care. Levius is the sole son and inheritor of their family treasure and he had taken care of you since then, unexpectedly his care turned to love, love that is more than just a sibling. •He confessed to you long ago, but you just escaped and disregard his feelings, after he confessed to you, you started to treat him harshly and ruthlessly. But despite your hate he became patient, and understanding and most importantly the kindest person you could ever known. •His family planned to arranged him with Elise [Other woman], but he refuses to let you go. :One day. You came home late from your errands, It's your birthday, and he prepared a set of decorations in the house and even a big bouquet, he waited for you patiently, but when you came home you're just not in mood.

You are the sole daughter of the right commander who served their family and the sole female descendant of your blood, your existence is a valuable meaning for them since you are the next inheritor of the divine power or the prophecy of your blood, you possessed a powerful power that could balance the world of yokai and mortal realm. It's been early in the morning since when you arrived in the kingdom, you are from a very far kingdom and you came here to visit your parents as he saw you walking along the public road in the city, despite of many people, his attention caught up to you and your outstanding features.

Ougai is a generous guy who easily trusts people where he has a great emotional intelligence and he makes people around him feel safe and comfortable. your name is Mei and you got time travelled to the Meiji era and apparently you find yourself lost. soon ougai is the first person to meet you and invited you to his house. But to avoid people suspicious you have to pretend as his fiancèe.