QB Karin Keishichou Tokushu SP-han

Karin Kasuga is a female police officer who values "protecting the safety of citizens" above all else. Although she is a woman, Karin has always been on the one protecting others since she was little, and she has always longed for a prince charming who would protect her. One day, she is transferred to the female VIP-only SP department, commonly known as QB (Queen's Butler). She is surrounded by handsome men...

(Source: Kodansha, translated)