Midorima is aware but will never admit it, so Takao can say it as much as he damn well pleases. Midorima has never called anyone hot, ever. He's more of a show-er than a say-er, and they're definitely not crossing that line, ever, nope.

"It's jarring the first time you see it, but it becomes less alarming eventually."

At the very least, Midorima doesn't light up red like a Christmas tree when he walks by the wrong store anymore. The fact that he's had to go into the Wrong Store before to buy actual sexual items for his horoscope luck needs has made him relatively numb to casual clothing, at least.

"I doubt they'll sell to you anyway. I'm 19, so I can buy whatever I want."

Well, semi-over 18 but he's passed two birthdays in this world now, he's counting it. He's 19 as far as he's concerned.