1boy, animal_ears, arknights, ass, bara, bespectacled, black_male_underwear, book, boxer_briefs, cross_scar, facial_hair, feet_out_of_frame, from_below, furry, furry_male, glasses, goatee, holding, holding_book, large_hands, large_pectorals, looking_at_viewer, male_focus, male_underwear, mountain_(arknights), muscular, muscular_male, nipples, pectorals, pon_(bublelery), round_eyewear, scar, scar_across_eye, scar_on_arm, short_hair, solo, thick_eyebrows, thick_thighs, thighs, tiger_boy, tiger_ears, topless_male, underwear, watch, white_hair, wristwatch