Rinna Keibu wa Iki ga dekinai  

Ms. Rinna's Lovesickness!, リンナ警部は呼吸〈いき〉ができない

At just 17 years old, Rinna Milford has become the youngest police inspector at London Police Department. Known for her exceptional detective skills and unwavering focus on her work, Rinna quickly earns respect from her peers. However, her appearance contradicts her thoughts as she desires to be perceived as more feminine. Despite this, her colleagues' expectations make it challenging for her to act her age. Upon arriving at a crime scene, Rinna encounters Meishi Leland, a private detective known for his clumsiness and playful nature. Suddenly, she experiences an unfamiliar feeling that she cannot explain. Despite Meishi's lack of investigative abilities and reasoning skills, she finds herself drawn to him, with her face turning red. After dealing with countless cases, Rinna finally faces a mystery she cannot solve: her heart's irresistible throbbing.