Hello, I am Aoi Erin. Today I was transported into another world by a kid who wanted to summon a succubus.

His brother took the day to teach me how this world works.

Here's what I learned

First off this world is called Atheria.

It has three main parts

The first one has a majority of humans on it. It is in the middle of the other two parts. It's also separated from the others by mountains.

The second one has the beastman, elves and other small races it's on the left of the human part.

The last one is the demon part. Contrary to populary belief, demon's aren't evil. They are just musclehead who thinks strength is everything.

Next is the calendar and hours. There are 4 month. Each month last around 90 days, so each month represents a season.

1st one is called the month of Naturia, the goddess of nature. It's spring basically.

2nd one is called the month of solar, the god of the sun. This one's summer.

3rd month is called the month of Wilson (pfft), the god of tempest. It's like autumn but with more hurricanes and stuff.

And final month is the month of Sin, the god of death and ice. Contrary to his name he's not a bad god, he just take cares of the dead peoples. It's like Winter.

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There is no week just 1st day of naturia, 2nd day of naturia, etc...

Each day last 25 hours, an hour is 50 minutes and a minute is 50 seconds.

And finally, after the last day of Sin comes a day before the 1st day of naturia. The day of creation. On this day every city, whatever the race, does a giant party to thank the god of creation for creating their world.

Now onto the money system it's pretty simple.

100 copper coins = 1 silver coin

100 silver coins = 1 gold coin

100 gold coins = 1 platinum coin

A family of four can live for an entire month with three gold coins assuming they just buy the necessary and nothing extra.

Another thing is slavery. It exist but it's not as bad as Light Novel makes you think.

First to be a slave you either have to be a criminal or a debt you couldn’t pay.

The first one are usually used for manual work and monster hunts.

The second one are maids or butlers.

Also the 'owner' of a slave cannot mistreat Them. They are under a contract made by a slave master.

If they break said contract the slave master will be informed and they will have to pay 50 gold coins. Of course the price can go up depending on what he did to the slave. If they don't, they become slaves too.

And finally only the summoned heroes can use status screen. Wait. That means I'm a hero ?!