千銃士 貴銃士たちのハッピーバースデイ!

"Senjuushi: Kijuushi-tachi no Happy Birthday!" is an original video animation (OVA) released in 2019, produced by TMS Entertainment and directed by Kenichi Kasai. This OVA is based on the mobile game "Senjuushi" and tells the stories of the noble musketeers celebrating their birthdays. The animation features a runtime of approximately 24 minutes and focuses on a light and enjoyable atmosphere, giving viewers a glimpse into the daily lives of the musketeers. Although themed around birthday celebrations, it also showcases the bonds and friendships between the characters. As a spin-off of the "Senjuushi" series, this OVA is a special gift for fans, allowing them to see their beloved characters again outside of the game. The characters featured in the story include Kentucky, Charleville, and Springfield, among others.