One school day, Hiroto Kyono learned about a new app called "Meet Your Soulmate" from a friend. At first, he didn't care much for such apps that promised love and fortune-telling. However, after meeting someone on a train who seemed to be his ideal match, Kyono started to wonder if this stranger could be his soulmate. He began to ponder how he could build a connection with this person and turn a chance encounter into a possible relationship.