"Happiest Princess" is a 2005 dance-pop single by Ryōko Shintani, released on Lantis. The song features Shintani's bright, energetic vocals over a driving electronic beat.
- The single was released on October 5, 2005.
- It was released by Lantis.
- The genre is pop and dance-pop.
Ryōko Shintani is a Japanese singer and voice actress from Chiba. She is best known for her roles in anime and video games.
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