1girl, blue_hair, confetti, frilled_skirt, frills, fumio_(ura_fmo), grisaia_(series), happy_birthday, headband, holding, holding_microphone, idol_clothes, kazami_kazuki, long_hair, microphone, midriff, outstretched_arm, puffy_short_sleeves, puffy_sleeves, purple_eyes, short_sleeves, skirt, solo, sparkle