MTL - Everyday Fighting With The Black-Bellied Male Lead - Chapter 66

... e holding a needle for drawing blood, and they are preparing to take blood from the mermaid's body as a sample. However, before that, several other people have inserted a black chip with a diameter of about one centimeter along the long ear plug of the mermaid. This is a neurometer specially developed to control the mermaid. It can not only record the mermaid's brain waves, but also Aggressive currents are sent under artificial control to prevent sudden attacks by mermaids.

Once this chip ...