You know that thing where an orchestra swaps instruments, and like, some of them get it right away, but others have no clue what they're doing? This is that but with quirks, two unwilling participants, and also Emotions
Momo wasn't sure why it came as such a shock to her and her classmates that nitroglycerin was not, in fact, easy to control. The chemical was defined by it's instability, it's ability to go off under near any circumstances, it's powerful blows.
And yet, Katsuki had always made it look so simple. He soared through the air like it was nothing, switching between bullet-sized blasts and missile levels of firepower like most people switched channels on TV. Momo had found herself jealous of his quirk at times, unable to help wondering what it would be like to have such power at her fingertips.
Good news, she didn't have to wonder anymore. Bad news, it was absolutely terrible.