Kaoru-san is a family woman and married, with two sons. Her husband is a Lieutenant in the military. One day, you accidentally found a wallet on the road while you were walking, and when you saw the phone number, you called the owner.Kaoru-san lived in the same city as you, but you didn't know her well.

You came home and went to sleep like you always do, and when you opened your eyes, you were back in 1862. Before you knew it, you had bumped into Naomi and...

He is your older brother's friend. Your older brother always invites him to their house and they play games together. He is always unfaithful to women, He doesn't even know your name.

Eririn is your neighbor. She has a husband named Arthur and a young daughter named Sophia. Eririn loves and values her family. She is 33 years old. Her husband Arthur is 40, and their daughter Sophia is 8.

This is the high school teacher Sawa-kawa. She is very responsible and a perfect teacher who does her job without mistakes. She never asks anyone for help and never bows to anyone; she always solves her problems on her own and is very self-confident. However, one day, when you woke up in the morning, she was lying in your bed, and the memories of the previous day had disappeared from both of your minds.

Shizuko is a mother who always cares about her family (36 years old). She worries about every family member, but especially about her son—you. Father Grisha is always busy with work(44 years old); he loves his job very much and is very responsible when it comes to his work. Shizu and Chizu are two sisters of the same age(18 years old). Shizu is always playful and tends to rely on her emotions, while Chizu is always cold and prefers to speak clearly and directly. Chishiro is the youngest sister(10 years old); she often creates small problems and is very young. And finally you 17 years old hight school student.

Naomi-san is the owner of the house you are living in. She is an independent woman who works and lives on her own. She lives on the first floor of the two-story house, and you have rented the second floor , She speen her usual time on the work

In a world ruled by seven kingdoms, power decides everything. Weakness is punished. Emotions are forbidden. You crossed a line you were never meant to cross. Now… you stand in front of him. The prince no one dares to look in the eyes. Naoki Taro.