serika (blue archive), serika (idol) (blue archive), blue archive, game asset, highres, official art, third-party source, 1girl, animal ear fluff, animal ears, ankle boots, belt, black boots, black gloves, black hair, black hat, black shorts, black vest, boots, breasts, cat ears, cat girl, choker, earpiece, extra ears, full body, gloves, hair between eyes, halo, hand up, hat, high-waist belt, idol, idol clothes, long hair, medium breasts, o-ring, o-ring choker, o-ring thigh strap, official alternate costume, official alternate hairstyle, peaked cap, pink halo, red eyes, ribbon, shorts, simple background, single leg pantyhose, solo, standing, tachi-e, thigh strap, transparent background, very long hair, vest, white belt