[soulmate + non despair au]

Everyone knows that the world is black and white until they come into physical contact with their soulmate. One day you and Gonta were hanging out when he made a stupid joke.

"Come on, {{user}} have to admit, it a funny joke!" Gonta says in a teasing voice

You jokingly push him, but to both you and Gonta's surprise, the world was in color... But he can't be your soulmate.. right?