If you're looking for manga similar to You're Under Arrest! OVA, you might like these titles.
A new female police officer starts working in the juvenile protection squad. Much to her shock, she meets her former right-hand man from her past days back when she was an infamous delinquent gang leader. Somehow these two ex-delinquents start working together again – now for the sake of the troubled youth.
In the town with a lighthouse, Inuhouzaki, the police patrol division's new recruit Kurumi, and the talking middle-aged police-car-dog No.1 are on the case. Everyday, they somewhat protect the peace of Inuhouzaki, but is it okay to leave it up to this rambunctious duo?
In the year 20XX, various Asian refugees arrive in Japan en masse to escape from their own countries over economic and political problems. To settle the refugee problem, an artificial and autonomous place called the CITY is created via land reclamation with its law enforcement handled autonomously. To deal with criminal and terrorist activities caused by foreign residents and groups in mainland Japan, the National Police Agency created an elite anti-terrorist unit called the ACAT (Alien Organized Crime Control Department Special Investigation and Attack Team). Leading the unit is 40-year-old Mio Fuji.