It's the story of Hitori Shinzo, A loner and the type who isn't a loner by choice but his life is about to turn upside down as he accidentally slips into the multiverse and meets another version of himself "Tandoku Shinzo". Hitori was cursed to be all by himself his whole life but when he meets Tandoku He finally gets rid of his loneliness and he falls for himself (Lmao I mean another version of himself). This is a story about how they overcome their life challenges and be together.