In the real world, Mari had black hair, black eyes, and wore a purple jacket or sweater over a white dress. She wore purple shoes.
As a spirit, Mari looks slightly older than her appearance in Headspace. Similar to Omori, she is completely black and white, and her eyes are sometimes depicted as white. She wears a long, white dress.
She's often spoken of as being kind and gentle and plays a sisterly role in the friend group with Sunny, Hero, Kel, Aubrey, and Basil.
Her first appearance shows she has a mischievous side, poking fun at Kel and Aubrey's mannerisms and afterward teasing Hero. Later in the game, it is also revealed she would pull pranks on Hero especially, such as putting bugs in his school desk. It is implied that she and Hero were in a relationship
It is also shown that she was a perfectionist, spending hours at a time practicing the same piano piece over and over again.
|WARNING: This section contains spoilers for the main story of OMORI.|
Mari was born on March 1st to unnamed parents more than 16 years before the main game. At some point, her parents had her little brother, Sunny. The two grew up in Faraway next to Kel and Hero's family. She used to play softball before suffering from a permanent knee injury.
Mari and Hero were a couple prior to her death, this is shown in Basil's photo album. Prior to the events of the game, Mari would spend a lot of time practicing the piano and taking college prep classes. Because of this, she would spend less time with her younger brother, Sunny. In an attempt to spend more time with his sister, Sunny picked up the violin again and the both of them would practice together often for an upcoming recital.
On the day of the recital, Mari and Sunny had an argument due to Mari's perfectionism, which resulted in him accidentally pushing her down the stairs, killing her. Initially in denial, Sunny and Basil carried her to bed, believing she was unconscious.
Basil, after realizing she was dead, came up with the plan to frame her death as a suicide. Stepping back into the house, both of them looked back at her corpse to see one of her eyes looking directly at them, traumatizing the children and haunting them in the form of Something.
Though Sunny and Basil knew the truth, everyone else was under the impression that Mari had committed suicide and blamed themselves for her death. As a result, their previously tight-knit friend group fell apart.
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- Mari had a black cat named Mewo.
- When they were younger, Mari would hide bugs in Hero's desk.
- Mari took flower arrangement classes with her mother, occasionally bringing Sunny along.
- Mari has trouble falling asleep, so she reads before bed.
- Mari and Sunny traded beds when she realized he had trouble falling asleep.
- Mari and Hero are the same age.
- Sunny would sleep in Mari's bed with her when he had nightmares.
- The name of the "White egret orchid", the flower associated with Mari throughout the game, is "Pecteilis radiata", it does not symbolize "my thoughts will follow you into your dreams" like in game. On the same topic, the Lily of the valley, the plant Basil associate to Mari, is poisonous, and can cause abdominal pain, nausea, vomiting, and irregular heartbeats if any part of it is ingested.
- Official OMORI Account confirms that Mari's birthday is on March 1st.
- Mari: Let them play, HERO. They're just teasing each other.
Remember how we were when we were younger?
I used to hide bugs in your desk all the time just to see your reaction! You were always so funny.
- Sunny: MOM's flower arrangement.
MOM and MARI have been taking classes recently.
Sometimes they drag me along.
- Sunny: A table lamp. MARI has trouble sleeping, so she reads books before bed. I often turn this light off for her after she falls asleep.
- Sunny: A very, very comfortable bed...
It used to be MARI's, but she switched with me when she noticed I had trouble sleeping.
- Mari talks about putting bugs in Hero's desk at school. This implies they are classmates.
- Sunny: MARI's bed... Mine too when I had nightmares.
- Basil: These flowers are called Lily of the valley. It's said that they're able to ward off evil spirits and help people see a brighter future...
I guess that's why they remind me of MARI!
I can always count on her to help me stay positive!