o2otsu, cherino (blue archive), doodle sensei (blue archive), eri (blue archive), kim yong-ha, sensei (blue archive), blue archive, highres, ahoge, apron, book, bow, bowtie, braid, canvas (object), facial hair, glass bottle, halo, hat, long hair, looking at mirror, mirror, orange eyes, paint palette, paint tube, paintbrush, ponytail, portrait (object), reference sheet, shirt, signature, skirt, stool, sweater, trash can, unworn hat, unworn headwear, white hair, witch hat