Love ME, Not HIM! | Venlumi, Kazulumi

Lumine Viatrix is just your average 16-year-old high-school student attending Celestia High, a school only available to the most talented students. Sadly, she doesn't attend school alongside her brother, who attends Rhinedottir Academy.
Lumine also has a major crush on two popular students, Xiao and Albedo (just like the hundreds of other girls in the school), just sitting in the background fawning over them...
But what will happen if a skilled swordsman and secret archon idol suddenly start fighting for her love and attention?! Not only that, she learns that her brother is a... leader of a notorious gang called the "Abyss Order?!"

Love, fight, disaster, chaos, and an overprotective brother ensue.

Or, in short...

A corny love triangle about crushes and one-sided love... With twists of magic and fighting.
(Will still contain visions and magic, but the public doesn't know about it)
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CONTAINS:
Modern AU
Fantasy (???)
Alternate Universe
Semi-Magical?? Magical Elements.
Slight harem elements
Love triangles
Triggering elements
Mentions of violence
Violence
Fighting
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Main ships:
Venlumi
Kazulumi
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Side ships:
Aether x Amber (Aember, Aethamber, Amther?)
Kokosara
Ittosara
Chongqiu
Xiaolumi
Albelumi