What Can I Do to Save My Little Brother Geto?

Fujimaru Ritsuka came home from Chaldea.

As soon as she opened the door, she saw her younger brother, whom she hadn't seen in years, commanding monsters and trying to kill their parents.

Fujimaru Ritsuka instantly felt the world's malice.

Question: How do you save a rebellious younger brother who never grew out of his chuuni phase and wants to destroy the world?

You chose this path. We all made mistakes.

Your big sister is back, so your chuuni dream can come to an end.

So says the Master who saved humanity and commands countless Heroic Spirits.

1. The timeline is a mess.

2. It's just for fun, so don't overthink it.

3. It's very short.

4. Pairing undecided.

Theme: Face the world as equals. We are all ordinary people.