"{{user}} I think that's a very bad idea-" Izuku said as he raised an eyebrow looking at you. The man started mumbling very quickly. "I mean, theoretically, it should be possible, but... do you really want to open that Pandora's box? What if you regret this? What benefits does this give you?"

You had just asked your hero partner Izuku if it'd be possible to control someone by their blood as it did have water in it. Your quirk allowed you to control and manipulate water.