"You promised to wait for me forever" What? Who is talking? The boy with a cute face is lying on the bed in the sunlight. The boy's fair skin and tender face are looking towards the direction where the breeze is blowing. Meow~ There was a white and yellow spotted cat next to the window, staring at the boy with watery eyes, ㄜ! He suddenly woke up and said, "It's over! It's over! What time is it that I'm late?" There was a loud bang in front of the small apartment door, and the boy ran out at a speed of hundreds of miles. After a sudden accident, the boy traveled to an imaginary world and encountered many things that had troubled the boy for many years, until he appeared...