Outside of this specific series, Emiri Momota (also known by the names Miri Mizuki Rei Mizuki

As this is a fictional adult-oriented series, there are no "academic" or "scholarly" papers written on the subject. However, ⚡ Context: "The Fall of Emiri"

Following her defeat, Emiri is subjected to a "collar" gifted to her bodyguard. This device allows him to "freeze" her physically while influencing her thoughts.