2boys absurdres animal_ears arm_tattoo azukiharuta_ju back_tattoo black_hair black_nails black_pants blush cat_boy cat_ears cat_tail extra_eyes facial_tattoo feet_out_of_frame fingernails fushiguro_megumi green_eyes heart heart_background heart_of_string highres hug jujutsu_kaisen jujutsu_tech_uniform leg_tattoo long_sleeves looking_at_viewer male_focus multiple_boys neck_tattoo outline pants pink_background pink_hair red_eyes robe ryoumen_sukuna_(jujutsu_kaisen) sharp_fingernails short_hair tail tattoo teeth tongue tongue_out undercut white_outline white_robe yaoi