1boy bangs black_hair blue_eyes blue_hair cape commentary_request fate/grand_order fate_(series) gloves gradient_hair jacket long_hair long_sleeves looking_at_viewer male_focus moon multicolored_hair night night_sky nikola_tesla_(fate) nikola_tesla_(planet_rock)_(fate) open_mouth outdoors prosthesis prosthetic_arm sky solo star_(sky) starry_sky yvn_futon