I'm going out on a limb here, but the two were shown to be in love. And it seems that some kind of affection was present. Meruem's growth was one of the most intriguing in Hunter x Hunter, and it was all because to Komugi. A tiny sweetie who utterly destroyed Gungi.
Takumi, her popular classmate, discovers the truth and promises not to tell anybody. Soon, you can sense the tension between them as Misaki tries hard to continue disliking Takumi, but fails as he demonstrates his trustworthiness. She even realizes that males aren't all awful, and that it's not fair to let girls make all the decisions! Takumi, can you win the love of a powerful girl who despises all guys and has made it her mission to make them behave? It takes a lengthy, adorable, and amusing narrative to figure out.