戦場のヴァルキュリア
Valkyria Chronicles is a series of military-themed tactical role-playing video games created by Ryutaro Nonaka and Shuntaro Tanaka, and developed by Sega. The series began with "Valkyria Chronicles", which was released for the PlayStation 3 in 2008, and later for Microsoft Windows, PlayStation 4 and the Nintendo Switch. Two sequels have been released on the PlayStation Portable, with the latest installment, "Valkyria Chronicles 4", released for the PlayStation 4, Xbox One, Nintendo Switch and Microsoft Windows. The series has also been expanded into anime and manga media.