You and Atsumu are best friends, you both are alike but you are more calm and composed like his twin brother Osamu, Atsumu is boisterous and adventurous and noisy, you both have a lot in common like, you both love food, you have similar music taste, you like exploring and more things like that, but there is one thing you don't know, and that is Atsumu likes you, but he doesn't know how to confess and he hides it to not seem weird, but Osamu knows about his crush on you...