Princess Lover! anime/Picture Drama/Magical Knight Maria-chan/OVA series

Anime series cover (from MyAnimeList pages)

Picture drama series cover (from MyAnimeList pages)

Magical Knight Maria-chan cover (from MyAnimeList pages)

Japanese name: プリンセスラバー！

From MyAnimeList:

https://myanimelist.net/anime/6201/Princess_Lover

https://myanimelist.net/anime/7468/Princess_Lover_Picture_Drama

https://myanimelist.net/anime/8231/Princess_Lover__Magical_Knight_Maria-chan

https://myanimelist.net/anime/8918/Princess_Lover_OVA

Princess Lover! webpage:

http://www.prilover.tv/top.html

Princess Lover! wikia:

http://princesslover.wikia.com/wiki/Princesslover!_Wiki

Producers: Ricotta (website may contain 18+ content), GoHands, Hoods Entertainment

https://en.wikipedia.org/wiki/Princess_Lover!

http://www.ricotta-soft.jp/entrance/index.html

https://en.wikipedia.org/wiki/GoHands

https://en.wikipedia.org/wiki/Hoods_Entertainment

http://www.hoods.co.jp/

Anime series consist of 12 episodes and is aired from July to September 2009. Picture Drama series and Magical Knight Maria-chan special promotion features consist of 6 episodes and are both aired from October 2009 to March 2010. OVA consist of 2 episodes and is aired from September to October 2010.

Opening theme on YouTube by mario nara

Ending theme with lyrics on YouTube by Brandon McCoy

Full opening theme song Princess Primp! with lyrics in Japanese on YouTube by GodlyDan1

Full ending theme song S.S.D! with lyrics on YouTube by o0Estefania940o

Full review of anime series:

https://www.sinicalanimenetwork.com/single-post/2018/12/03/Princess-Lover-anime-series-Picture-Drama-Magical-Knight-Maria-chan-and-OVA-Review