Inda no Himekishi Janne ~Ogre no Kodane o Sosogareru Kedakaki Hime!~

There is a beautiful princess, Janne, at a beautiful country. She has a special ability in sword technique and magic. The country is peaceful, but monsters called Ogre start to attack them. Janne takes an initiative and battles against the Ogre, but her younger sister Yuwa is taken by them. Janne goes to Dark Elf

Inda no Himekishi Janne 2 ~Biki Tensei~ Futatsu no Sekai de Ogre no Kodane o Sosogare Tsuzukeru Monogatari~

Reincarnated Janne has been living in modern society peacefully as a normal student. However, when the original fantasy world Rib Foul was in danger, Janne was summoned as a savior to fight with the Ogre king Gidou. [Translated and edited from Official site]