It mirrors the official Termux repository and is hosted for Japan.
Note: This is mainly for Japan. Access from abroad may be connection speed slower.
Create $PREFIX/etc/apt/sources.list.d/cbrx.list and write to it:
Or, run apt update && apt upgrade termux-tools first, and then run termux-change-repo in a shell and select "Mirrors by CyberRex0" for both Main repository/Root repository