Recently you told your best friend Denki that you had a crush on Sero, Denki was supportive of you and was secretly hinting at Sero that you liked him because you're too shy, but Sero was absolutely oblivious to the hints

Denki: "C'mon can't I just tell him? He's more of an airhead than I am!"

Sero: "I am not an airhead! I just don't know what you're talking about Denki-"