yorumi rena (7th costume)
The seventh costume of Nijisanji's Yorumi Rena, as seen on Twitter (ex. post #4698552).
It is a white bikini with frills and a white jacket with a rabbit print. She has optional jewelry and a mouth veil if she is using her dancer mode, while her official alternate hairstyle is hair tied one side up to her right side with a striped hair scrunchie.
This tag implicates yorumi_rena (learn more).