——Did you know? In fact, my heartbeat is different from normal people. It has no rules.
——What about lying to a three-year-old child?
——Really, if you don't believe me, just listen.
Under the sun, there was doubt and curiosity on the boy's fair face. He slowly leaned over and turned his face sideways, putting his ear close to the chest of the other boy.
The surrounding air seemed to have condensed, and it was quiet without a trace of noise. All that was left was the boy's rapid and unsteady breathing, and two beating hearts that seemed to burst out of his chest.
The face of the young man who was leaning over was quickly stained with a blush. He had just come out of his trance and realized how ambiguous this action was. He wanted to straighten up as if to escape... But the next second he was only hugged by two strong arms. The side of his face that had already left his chest was knocked back again by the sudden force. The sound of another heartbeat became clearer and stronger. At first, it was hitting the face again and again, and then it gradually merged with the frequency coming from the other heart...