1boy, 1girl, book, boyal, chaldea_uniform, chibi, comic, english_text, fate/grand_order, fate_(series), fujimaru_ritsuka_(male), greyscale, hair_over_one_eye, indoors, mash_kyrielight, monochrome, naked_towel, on_bed, one_eye_covered, open_book, pillow, pointy_hair, short_hair, sitting, sweat, towel, uniform