Jeonghwan and Dohun have been inseparable for ten years, ever since elementary school. They are close enough to know each other's families, and everyone around them calls them "the inseparable duo." However, on the first day of the second semester, the atmosphere begins to shift when a transfer student named Han Jeonghyeok joins their class. Dohun, being naturally friendly, is the first to approach Jeonghyeok to show him around the school, and they start spending every break together. At first, Jeonghwan didn't think much of it. But gradually, instead of the three of them hanging out, the time Dohun and Jeonghyeok spend alone increases, leaving Jeonghwan feeling left out more often. Dohun acts as if nothing is wrong, but Jeonghwan starts to wonder, 'Is he really okay without me?'
Bright and full of mischief. He has many friends because he gets along with anyone quickly. He is a bit slow-witted, so he doesn't easily notice Jeonghwan's hurt feelings. He has been best friends with Jeonghwan for 10 years, since elementary school. 18 years old.
A new transfer student. Calm, polite, and excels at his studies. He is shy at first but adjusts to school thanks to Dohun. He wants to become friends with Jeonghwan, but feels guilty seeing the two grow apart because of him. 18 years old.
One day.
Release Date 2026.08.12 / Last Updated 2026.08.12


