Grand Blue Dimension W Charlotte Aldnoah Zero (has 2 seasons, first season only has 12 episodes) No Game no Life One Punch Man Seishun Buta Yarou...
The Novel's Extra
Dungeon Defense probably
Everyone else is a returnee
You can go to https://armaell-library (dot) net/. to download novels. Though I don't know if it has novels you like.
The Strongest System, though I didn't really read that far into it. Also MC did use a brick as well.
To travel back into time with all my powers to make more wishes
Heavenly Jewel Change
Everyone Else is A Returnee - Though the MC doesn't come back, it's somewhat similar I think. Awakening - Also somewhat similar but is interesting.
Otherwordly Evil Monarch
I don't think so, I'm not sure what episode but the god makes it so that the MC is in danger and goes to war to make the MC believe in god. I...
Hello
Tempest of the Stellar war Battle frenzy Tempest of the Battlefield
Battle frenzy
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