2boys, animal_ear_fluff, animal_ears, asymmetrical_sleeves, book, crossed_ankles, cushion, cyno_(genshin_impact), fox_boy, fox_ears, fox_tail, genshin_impact, greyscale, hair_between_eyes, holding, holding_book, long_hair, lying, male_focus, monochrome, multicolored_hair, multiple_boys, nashi_(ykns), no_headwear, on_back, parted_lips, pillow, short_sleeves, simple_background, sitting, socks, tail, tighnari_(genshin_impact), uneven_sleeves, yaoi