hotondo shindeiru, sui (isekai ojisan), isekai ojisan, non-web source, official art, !?, 1girl, breasts, chair, collarbone, computer mouse, desk, elf, emphasis lines, foot out of frame, full body, greyscale, half updo, holding, holding computer mouse, hood, hoodie, long sleeves, looking at viewer, medium breasts, monochrome, on chair, open mouth, pointy ears, short shorts, shorts, sitting, socks, solo, surprised, wide-eyed