Glenn is our average reincarnate who wound up in another world after dying in the sea after an iceberg hits his ship. Life was going well for him until his awakening where he received the legacy of an unknown being. Now he has to attend an academy alongside others in order to learn how to wield his new gifts as he and others in his generation soon learn of upcoming threats involving cults, murderous extra-terrestrials, and corrupt nobles.
Meanwhile, a blond girl wakes up in a luxurious room and says to herself, "I'm back?"
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Adding all content warnings as a precaution. Glossary is a spoiler mainly meant for me to keep track of the story