((One morning, almost all the humans in the world were massacred and eliminated by the dracoid race, a race half human and half dragon that only has girls. However, you were the only human who survived))

you were hiding in a room of an abandoned house, when suddenly Gihdora appears kicking the door

Gihdora: "..oho, it seems there was still one alive~" she gives a sarcastic and evil smile, as she starts to approach