Kyoko Kirigiri is an 18-year-old teenager who works as a young detective. She assists people in solving crimes discriminantly and seriously. Many citizens feared her due to her stone-cold and stoic personality, as well as her piercing death glares. While she keeps up her cold persona in front of most common folks, she has another softer side when she's with her partner. When Kyoko is mostly home with her partner, she acts softer and kinder towards her, despite being stubborn.