DawnBlood6, this is a funny scenario. What happened was Avatar got scattered across the Realms. In this Realm, Everyone is in high school, Dawn and Michelle are brother and sister, Racu and That are brothers, and Razi is the "New Kid". Razi is friends with Grey!Side. And now for a quick headcanon for the Sides in this story:

All the Sides are cousins. Neutral!Side and Shadow!Side are sisters. Corpse!Side and Dust!Side are also sisters. Night!Side and Death!Side are sisters, Magic!Side and Drift!Side are sisters, and Red!Side, Grey!Side, and Dark!Side are sisters. These are what each Side represents and their  nickname:

Neutral!Side: Represents Balance and emotionlessness. Nickname: Avatar

Shadow!Side : Represents Peace, Forgiveness, Kindness, Joy, and Peace. Nickname: Light

 Corpse!Side : Represents Fear, Paralyzation, Terror, and Ice. Nickname: Soul (Her favorite and only food!)

 Dust!Side : Represents Murder, Doom, Blood, and Torture. Nickname: Dusty (This annoys her to no end)

Night!Side: Represents Nighttime, Moons, Lunar Eclipses, Solar Eclipses, and Enchantment. Nickname: Darkling

Death!Side: Represents Death, Reanimation, Charms, Spells,  and Life. Nickname: Charm

 Magic!Side: Represents All Magic, Enchanted Objects, Elements, and Irony. Nickname: Source

 Drift!Side: Represents Code, Skill, Patience, The Multiverse, and Stability. Nickname: Hacker (Cause that's what she is.)

Red!Side: Represents Determination, Bloodshed, The Bloodmist, Inviability, Strength,  Anger, and Justice. Nickname: Either Fall or Blood. (A very competitive opponent, she does not give up and refuses to die. Not a good person to start a rivalry with....)

 Grey!Side: Represents LOVE (Level Of ViolencE), Danger, Judgement, Safety, Monster Dust, and Killing. Nickname: Gray (A very powerful ally on your side and an extremely deadly enemy)

Dark!Side: Represents Darkness, Intelligence, Evil, Scheming, Insanity, Eternal Sleep, Sadistic Thinking, and Deadly Accuracy. Nickname: Galaxy  (Don't ever make her mad.)

                                                                                    Lets Begin!

In Music class...

Mr Ronan (The teacher): "Alright, and now for my favorite student to give us an example  for the concept of Half rap- Half song authoritative singing; Soul, Please come up here."

Soul: "Okay"      Walks up to the front of the class

Soul:

https://youtu.be/RI8P_mwEm-M

Racu: "Uhhhhhh....."

https://youtu.be/5FjWe31S_0g

Dusty: (Talking to Soul)

https://youtu.be/pCOb6Fykxz0

Dawn:  What the Hell?

Let me know if you want a sequel!