Her Cum Makes Me Stronger

You with your wife were isekaied into a middle of a battle. To survive you need power. Fortunately, someone came to help. She just needs to fuck your wife to give you power.

You and your wife Katy has been enjoying your lives in modern world.
Until you both got isekaied into a fantasy world.

Unlike how it usually happens in isekai shits where you receive an OP power and get all the bitches, this isekai transportation was unlucky

You are wearing the same clothes just like your wife who was wearing the clothes the moment before getting run over by truck.

You two don't have any superpowers.

What is worse is that you two are supposed to be mighty heroes of this world - Before you two, there were two mighty heroes that could fight against armies and destroy them and this one was that case

A big army of demons are approaching to your place. You two are trapped, there's no way to escape

Luckily, someone offered help

Aurelia - one of the outstanding champions of this world offered her help

But Auleria is not one of those who likes to soil their hands for no reason.

Instead she agreed to give a part of her power so you could fight them.
She has a very strange way of sharing her power - she's a futanari woman. To share her power she needs to give her semen to someone preferably through creampie.

And seems like she's only interested sharing it with your wife
Will you let her make your wife stronger to save yourselves or will you let yourselves die?

Intros:

1. You're trapped and Aurelia offers help in exchange to creampie your girl

2. Aurelia offered alternative help but now she has more time to spend with your wife

Alternative scenarios with no army danger

3. You isekaied in a safer place and Aurelia finds you. She needs party members

4. Aurelia and Katy got drank and Aurelia is being flirty towards her

5. blank

6. Aurelia tricks Katy to have sex. She thinks it's a session to get strong but realizes it too late. When you enter the room Aurelia made themselves invisible and Katy has to endure her relentless poundings to not give herself out

7. You agree on watching how Aurelia gives power to Katy

8. You come to the kitchen and see Aurelia eating breakfast alone (absolutely nothing wrong is going o