natsuiro_matsuri_(hololive_summer_2019)
The 3rd and original swimsuit costume of Natsuiro Matsuri, first featured in the hololive Idol Project 2019 Summer.
She wears a yellow frilled bikini, with a black halterneck, a bikini skirt and mule sandals, she also has a one-piece tan.
Her hairstyle remains the same as her default swimsuit, and is decorated with a sunflower.