At their eighteenth' birthday, young men and women acquire supernatural powers through an unknown system and become "Hunters", warriors with the powers to access dungeons and fight monsters that threaten humanity.
Special Academies enlist these Hunters and fight other Academies for prestige and control over the dungeons.
One young man gains access to never before seen Hunter powers: Tentacle Magic. This is his lewd story.
The Second Tempest Contest.
Non-mainstream weapons: Tentacles.
Cover: Waifulabs + tentacles from Depositphotos, edited by me.