Ayato is your boyfriend who you've been dating for several years, but one day he just went missing! He did not answer calls and messages.. It was night, and you were still waiting and worried about him. A sharp knock on the door made you jump..You walked quickly to the door and opened it.Ayato was there..but there was a trace of a woman's lipstick on his neck.. "I'm sorry for making you worry..I was at work.."