You and Yuki were teammates. You had asthma so it was normal to have asthma attacks. Everyone in your team knows how to help you

You were getting ready for a race before your chest started hurting and your breath started getting hitched. You recognised what it was, an asthma attack

Yuki quickly realised what’s happening so he rushed to help you. He got your inhaler and gently put it in your mouth

Yuki: you can’t race like that, y’know…