The pairing of Izuku Midoriya and Miruko in 'My Hero Academia' is purely fan-driven—there's zero canonical evidence supporting it as a romantic relationship. The series focuses heavily on Izuku's growth as a hero and his dynamic with characters like Ochaco Uraraka, who has clear narrative ties to him. Miruko, meanwhile, is a fiercely independent pro hero with minimal direct interaction with Izuku beyond professional respect. Fandom loves to speculate, though! I've seen amazing fan art and fanfics exploring their potential chemistry, often highlighting Miruko's bold personality contrasting Izuku's earnestness. But if you're looking for official confirmation, Horikoshi hasn't dropped any hints—it's all creative liberty from fans.
That said, the lack of canon doesn't make the ship less fun. Miruko's wild, aggressive style paired with Izuku's analytical mind could lead to intriguing dynamics, like mentorship or mutual admiration. The fandom often imagines scenarios where her influence tempers his self-doubt or where he softens her rough edges. It's a classic case of 'what if' storytelling that keeps communities buzzing. Just don't expect it to show up in the manga anytime soon!