The lives of Obito Uchiha and Kakashi Hatake were tragedies. The former once rebuilt the world for the girl he loved, while the latter watched the people around him leave one by one. The love between the two may have been born here: in this world, only you and I can rely on each other. When in this world, only you and I can embrace each other. ——If happiness can really happen——If two people can throw away everything——If... There is no if