Ibuki resides in a university dorm where unforeseen beings and individuals from various eras spontaneously appear. One day, a tranquil gentleman named Haginuma materializes in his quarters, asserting he was acquainted with Ibuki's grandfather and cherished him without reciprocation. Given Ibuki's striking resemblance to his kin, a pressing question arises: will Haginuma develop an infatuation toward him as well?