Read manga: Harajuku Takenoko Kouban

manga
Summary:

Haruki Nishimoto is a police officer aspiring to be a detective. However, he has great difficulty climbing the ranks due to losing his temper on important jobs and cases. During one case, Haruki is forced to go incognito in as a women (for the second time) in order to catch an infamous drug dealer red-handed. However, despite Haruki's determination to prove himself worthy of a promotion, he may be a little in over his head.