![1girl animal_ears arknights artist_name blush brown_eyes brown_hair commentary_request cowboy_shot dated dress eyjafjalla_(arknights) grey_background grey_dress grey_legwear highres holding horns long_hair long_sleeves looking_at_viewer sakusyo sheep_ears sheep_horns short_dress signature solo standing thighhighs zettai_ryouiki rating:s score:9 1girl animal_ears arknights artist_name blush brown_eyes brown_hair commentary_request cowboy_shot dated dress eyjafjalla_(arknights) grey_background grey_dress grey_legwear highres holding horns long_hair long_sleeves looking_at_viewer sakusyo sheep_ears sheep_horns short_dress signature solo standing thighhighs zettai_ryouiki](/cdn_image/preview/f6/ed/f6ed5302896adbf9ec0bb7d565ef2433.jpg)
Any image containing a single instance of one copyrighted or original character. No one else should be visible in the image.
Although the metatag chartags:1 can be used to find most such cases, solo can be used to distinguish a single unnamed or cosplaying character (among other things).
These situations should not be tagged solo:
These situations should be tagged solo focus, not solo: