The 5th costume of Production Kawaii's Amano Nene (Vtuber), as seen in post #6409202.
It's a goddess-themed costume consisting of a gold Circlet a White Hood, a gold Neck Ring a criss-cross a white Sling Bikini Top with Gold Chains, white see-through Detached Sleeves gold Bracelets, a frilled Underbust half leotard with a Navel Cutout, White Garter Straps, a white see-through high-low Showgirl Skirt and wite Leg Ribbon's giving the impression of Barefoot Sandals (Jewelry).
Her official hairstyle with this costume is a single Side Braid over her shoulders decorated with small flowers and the wing-shaped Hairclip from her nun costume.