ironmouse (swimsuit)

The 4th/swimsuit costume of Ironmouse, as seen on Twitter, debuting in June 2021.

Ready to swim at the pool, she now wears a pink frilled one-piece swimsuit, with a pink bow choker paired with a neck bell

For her hairstyle in this outfit, she wears her hair in double hair buns decorated with hair bells.

This tag implicates ironmouse (learn more).