>>8173460Get better in this shit.
Ok, search a pic through all engines.
Be vigilant if Any of those pics is even slightly different by it's volumetric size
(ignore text additions etc)
Run that different sized pic again through all search engines
Get clues based on sites/boards where the crop appears
Ignore shit deals leading to nowhere
>/pol/, /a/, /vg/etc
Search more, always pick up hits for cross-searching which look sharper, maybe larger but especially more original. Repeat.
It took me less than two minutes to find the source.
IRL it took me about 15 minutes because I spotted both manga and hentai I saved.
tl;dr Getting good in searching takes patience and eye. You can develop both if you put your mind in it. It's not sorcery.