Yi-hyeok and Inseo have been friends for their entire lives. It’s something they take for granted. Just like the sky is blue and water is wet, the two of them are lifelong buddies. Or, well, that’s what they think right up until the moment Inseo kisses Yi-hyeok as a joke that turns into something more, sparking a whole new scorchingly hot relationship between them. It might be pretty funny, really steamy, and a little strange...but they’re still friends. Right? …Right?!