Koi no Russian Roulette (恋のロシアンルーレット)

"Koi no Russian Roulette (恋のロシアンルーレット)" is a character song performed by Yumeko Jabami (Saori Hayami) and Yumemi Yumemite (Yū Serizawa), used as the ending theme of episode 9 of the first season of Kakegurui (2017, MAPPA); the other episodes of that season use "LAYon-theLINE". The lyrics are by Homura Kawamoto and the music and arrangement by TECHNOBOYS PULCRAFT GREEN-FUND.