1girl, artist name, character name, closed mouth, cropped torso, cross, explosive, german text, grenade, greyscale, heart, latin cross, looking at viewer, monochrome, neckerchief, ooarai school uniform, ranguage, sailor collar, school uniform, serafuku, short hair, simple background, smile, solo, ss insignia, stick grenade, stielhandgranate, straight-on, waffen-ss