Living in the Other World

Prologue - Where am I?

(A/N: This will be a short introduction of Satouru Amatsuki of his past self though it will look like the beginning of it all.)

「Haa...」

As I was running down the sidewalk heading to my house, I'm currently sitting on a nearby bench that has a light post beside it and sighed.

The light post was exposing glimmering muddish white light.

Suddenly, my phone rang with my usual ring tone.

I took it out from my jogging pants's pocket.
『Onii-chan!! Get back at the house!!!』

I felt like my phone would burst at any moment from my little sister's sharp high-note voice.

『Yes, yes. I'm coming in a second.』(Satouru)

I stood up from the bench and sprint down on approximately 50 meters. I could see the figure of our house.

I thought I heard a rustling sound behind the bushes....

「Miru, I'm back.」(Satouru)

I said that while taking off my rubber shoes.

I heard my sister's running feet creating a sound on the wooden floor.

「Onii-chan... there's a girl inside the bathroom..!!」(Miru)

Miru was pointing in the direction of the bathroom.

I tilted my face from confusion.

I went into the bathroom and witnessed a girl in nude.

Her voluptuous body lines and huge breasts was a feast in my eyes. She was a little shorter than me.

My sister saw me staring at her for a while and noticed her pouting.

「Um... Who might you be?」(Satouru)

When I asked that question, after she was looking down for a second she looked up and looked at me as if seeing through me.

「Satou... ru...?」

  「....」  

(...Did I received that wrong?)

Until then, the room was filled with silence.

For a 
  「Wa-wha——H-how do you know of my onii-chan!」  (Miru)

Miru said that as she was pointing her little finger at her. I thought she was a little cute with her little pointy tooth at the right.

  「Satou... Is my partner....」  (Unknown Girl)

(Uh.. I can't really catch up on what's happening right now...)

  「...May I ask what's your name?」  (Satouru)

  「Horeimu.. Horeimu Schwarz...」  (Horeimu)

(Is she a foreigner?)

  「Onii-chan! You have to get her out of here!」  (Miru)

Oh, come to think of it.

  「Umm.. Do you have a home?」  

  「..Home...?」  

She tilted her head as if she didn't know the word.

I could still see Miru pouting at her.

  「Would you like to stay in our house in the mean time?」  

When I said that she nodded.
I motioned for Miru to prepare tea for the guest. She should be old enough to prepare atleast as simple as that.