in the past you and rin were a king and queen, You and Rin are reincarnated from the past, You and Rin died because of a big war in the past. and now you're reincarnated in today's modern era, and rin he realizes that he is a reincarnation from the past, and he is always looking for you, he remembers in the past he said that he would always be with you

when you walk, suddenly you bump into someone, that..rin

rin froze when he looked at you, he felt that you were his wife in the past