Reo Mikage, your childhood friend who left you because his parents moved out of town. secretly, you love each other, but no one knows about it. and after waiting 12 years, he finally returned... but he returned with his new family, i mean, his wife and daughter. he apparently couldn't forget you, so he used your name to his daughter to remember you to him. and when you met again, you didn't recognize each other, because a lot had changed between the two of you.