no bc takemichi was amazed when he saw inui with heels, and inui looked so confident that it pissed off mikey (and that was his intention)
the next day, mikey wore green heels (takemichi's fave colour and stole it from shin, alive!shinichiro) just to impress takemichi, and now inui and mikey are rivals.
that's why mikey was so pissed when he saw inui beside takemichi, holding his hand, IN HEELS.