Movie version of the series "Police x Heroine Lovepatrina!".

As per usual, the Lovepat's are protecting everyone's love when they get a request from Chief Shingo of the International Police that are active around the world. It seems that the treasure the "Love Diamond" is being targeted. They won't allow this lovely treasure to be taken by skilled phantom thieves. But, Inspector Aikawa who is enthusiastic about the security is turned into a Love Zero by the Warupyoco Dan. While pursuing the treasure, the Phantomirage appear!?—Girls x Heroine Fandom Wiki