Soku Ochi 2 Page kara Hajimaru Kouishuzoku Monogatari

Chapter 2.5: Fellow High-order Species
Chapter 2: Her Dwindling Days of Killing Time
Chapter 3: Feeling Defeated
Chapter 2: Her Dwindling Days of Killing Time
Chapter 3: Feeling Defeated
The story of an immortal species girl who picked up a fleeting human.