He has never understood what kind of existence he is to him. Even after many years, in the corners of the world, living, old, sick and dying, he is the only smart person who cannot figure out this problem. Year after year, the building becomes empty, and the youthful frivolity fades into a bowl of pure water. Even if the person he loves is with him, he will still feel inexplicably lonely at one of the most vulnerable times at night. Castor and Pollux, the equestrian and boxer in Gemini, are inseparable from each other, but they are in opposite directions and hurt each other.