I've habitually taken screenshots of things I want to remember since I've had a computer that could do that easily, but unfortunately they're not organized by topic at all-- the files are basically just "screenshot_time." Topic would have to be done completely manually.

Yeah, the risk is that he knows what bruises from fighting look like. The advantage, that it's Takatora and Takatora doesn't see what he doesn't expect to see, could be lost if he thought she could be injured from bullying/Invess/other abuse/etc.