kouhei_(seitekisyoudou), iseri_nina, year_2024, 1girl, black_background, blue_eyes, collared_shirt, hand_up, helmet, holding, holding_microphone, instrument, looking_at_viewer, microphone, music, open_mouth, pink_shirt, red_background, red_hair, shirt, singing, smiley_face, solo, sunglasses, sweat, tambourine, upper_body, white_helmet, highres, girls_band_cry