Henteria Chronicles, Chapter 1

Henteria Chronicles, Chapter 1: The Lady and the butler - Casio and his older sister, Nestia, lost their parents during the Fourth Holy War that opposed the Monster Army and the Allied Races lead by the Humans. However, they are taken in by Lady Eleonora, a noble and former Valkyrie, to work in her manor as butler and maid. They spend ten wonderful years there. However, a shadow is lurking over their future...