Yes, it is indeed an original manga. However, j-novel does have one of the author's (Mikawa Ghost) novel works; My Friend's Little Sister Has It In for Me!
@Ezekiel-Cupid-nb1v6iy abnormal state skill got a licensed by seven seas under the name failure frame, fist volume is out.
Still keeping my fingers crossed that this series will be picked up one day. Volume 9 came out on Christmas:
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I'm adding my vote for Campione too.
It's been a long time since I read the fan translation but I would be happy to start it with a licensed version.
As other have said on this thread, the amount of investigation and work the author did to make references on mythologies is really good and it would be a waste to not have a licensed version.
Spotlight time! A friendly bump to an older post that hasn't had any recent conversation and is lower on votes in order to draw attention to it.