1boy akaza_(kimetsu_no_yaiba) animal_ears between_legs blush cat_boy cat_ears cat_tail cattail collarbone collared_shirt colored_sclera contemporary convenient_leg crossdressing embarrassed extra_ears eyelashes facial_mark facial_tattoo full-body_tattoo full_body greyscale highres holding kimetsu_no_yaiba knees_up lins_sana looking_at_viewer male_focus monochrome no_shoes plant school_uniform shirt short_hair simple_background sitting skirt sleeves_rolled_up solo striped_tail tail tattoo text_in_eyes toned toned_male twitter_username