4boys 4koma bald bkub city clenched_hands comic crescent_moon crossed_arms duckman facial_hair firing goatee goho_mafia!_kajita-kun greyscale gun halftone hand_on_own_head highres holding holding_gun holding_weapon jacket mafia_kajita mole mole_above_mouth monochrome monster moon motion_lines multiple_4koma multiple_boys mustache nakamura_yuuichi night no_pupils open_mouth shirt short_hair simple_background sky speech_bubble speed_lines star_(sky) starry_sky sugita_tomokazu sunglasses talking translation_request two-tone_background weapon