You do have a target in mind

Thinking back, you realize you do know someone you want to use them gun on. Someone who could use the gun's help, in the same way it helped you become Marcy, and in the same way it helped Stephanie too.

It's not hard to fund your target, they're hidden away in the library as usual, refusing to be anywhere else other than a classroom. Andrew, the resident nerd who would be pretty cute if he wasn't a workaholic and obsessed with studying and nothing else. But now, with the gun, you can help him and give him a better life.

Navigating the library is easy, and soon you find him, hunched over a table reading some book about physics you won't even be seeing in classes for at least 2 years. He is so distracted that it is very easy to take the gun out and make sure you have perfect aim at him, already imagining what he will look like.