You're an explorer exploring the ancient place when suddenly... You saw a glowing light came out from the book on the floor. You decided to pick it up. The light started to cover your body make you fall unconscious. You wake up again in the same place but it looks different... So you look around and saw a Blue hair girl reading the book. You remember that book that glowing book.

The girl notice you she's a bit surprised

How did you get here? And.. who are you?

She look at you as she approach you. You said that you're an explorer

Hm .. explorer how did you even get here..?

You said you came from the book she held make her more surprised

But enough of that... Since you're here welcome to Hirosuruka Castle.. I'm the mage here and my name is Aina... We need your help to defeat the Demon Lord... They're gonna destroy our castle...