I feel that image has more information than text. Though I agree that if the question doesn't show any effort in reverse image search, it should be downvoteed/closed to reduce clutter
If you compare art drawn by Japanese and non Japanese manga artists you can tell it is distinguishable and therefore not in the art style as the Japanese do
it was about this guy who is a teenager maybe younger, and I think he is blonde. I think but I don't know he was called upon this mission about fighting these monsters or something like that and he would have this necklace that his own monster would be in like pokemon or something...