Star Detective Precure!

Anna Akechi is a second-year middle school student who lives in Makoto Mirai Town. She travels back in time from 2027 to 1999 when her fairy partner named Pochitan appears on her birthday. In Makoto Mirai Town in 1999, Anna meets Mikuru Kobayashi, another second-year middle school student who dreams of becoming a star detective. The two girls witness the troubles caused by the Phantom Thieves who steal people's precious belongings. They transform into Star Detective Precures and use their deductive reasoning skills to protect people's smiles.