1boy, abs, animal_ears, arknights, bara, bare_pectorals, blue_eyes, book, bulge, couch, facial_hair, feet_out_of_frame, formal, furry, furry_male, goatee, hinnab_art, holding, holding_book, large_pectorals, looking_at_viewer, male_focus, mature_male, mountain_(arknights), mountain_(book_reader)_(arknights), muscular, muscular_male, nipples, no_shirt, official_alternate_costume, on_couch, pectorals, ponytail, scar, scar_across_eye, scar_on_arm, scar_on_chest, sitting, sleeves_rolled_up, solo, stomach, suit, thick_eyebrows, thighs, tiger_boy, tiger_ears, white_hair, white_suit