1girl :d baseball_cap blush boots brown_hair carrying closed_eyes clothes_writing commentary_request crossover grey_hair gun gundam gundam_tekketsu_no_orphans hair_between_eyes handgun hat hataraku_saibou laughing long_hair long_sleeves necktie open_mouth orga_itsuka otonari pistol platelet_(hataraku_saibou) short_hair_with_long_locks shoulder_carry smile weapon