Nazotoki-hime wa Meitantei♥

Format: OVA
Episodes: 6
Episode Duration: 14 minutes
Status: finished
Start Date: 8-3-2012
End Date: 12-13-2013
Season: summer 2012
Average Score: 4.7
Mean Score: 5.2
Studios: SynergySP
Source: manga
Genres: Mahou Shoujo Mystery

The story centers around Hinami, a bookish, eyeglasses-wearing girl, and her two friends. When there is a mystery to solve, she transforms into the clever Nazotoki-hime (literally, Princess Mystery Time).

(Source: Anime News Network)

Note: The episodes were included in "Ciao Ciao TV! (ちゃおちゃおTV!)", a bonus DVD bundled in select issues of the shoujo magazine Ciao.