Bulk-edge correspondence is universal. We do find a novel playground of the chiral edge states protected by bulk topology. It is in the evolutionary game theory realized in a kagome network. The paper is accepted for publication in Physical Review E on 13 July 2021, “Chiral edge modes in evolutionary game theory: A kagome network of rock-paper-scissors (RPS) cycles” by Tsuneya Yoshida, Tomonari Mizoguchi, and Yasuhiro Hatsugai, which has been published in Phys. Rev. E 104, 025003 – 3 August 2021. The local rule of the RPS game is a conceptual analog of the cyclotron motion of charged particles in a magnetic field. See also arXiv:2012.05562.