Use Your Invincible Alt Account to Think of Something!

He transmigrates to a world where spiritual qi has revived, and gains the ability to summon characters from all kinds of anime and games as his alternate accounts.

So this book will feature scenes like these:

The enemy sends out Sadako, and our side summons an angel, staging a battle between Gabriel and Sadako.

The enemy sends out an alien warship, and our side brings out a Daram Archbishop, showing them what it means to be the Firstborn of God.

The Lord God invading the world sees all this and gives up thinking.