Also known as: 雷電芽衣(2023水着)
The second Bikini Official Alternate Costume of Honkai Impact 3rd's Raiden Mei, exclusive to her Herrscher of Origin form.
Originally released as part of the game's Summer merchandise lineup for 2023, her outfit consists of a White Hat with a black brim, black Highleg Bikini, Black Sarong, Thigh Straps on her left leg, white Wrist Cuffs, and a white Detached Collar.