HeroMari

"They look so happy. A match made in heaven!"

- Basil talking about Mari and Hero

Picnic Sandwich is the het ship between Hero and Mari from the Omori fandom.

Canon
When you tag Hero and talk to Mari, she would say "What's cooking, good looking." with a smug face. In one of the photos in the photo album, it is written under that Basil says that they look so happy together, a match made in heaven. Their friend group is shown to ship them, as their friend group knows that they are in-love. In the dreamworld, Mari is shown to be very flirty to Hero, which leaves Hero as embarrassed or shy. In a scene, Hero cries on the piano keys, whispering Mari's name since he still misses her so much. Mari would often hide bugs in Hero's desk at school.

In one of the photos in the photo album, Hero is sleeping on Maris stomach. In another one, Mari is shown holding a bug and Hero beside her looks afraid from the bug. In the promo art, there are seen holding each others hands. In one of the photo albums they are washing the dishes together, they both look happy while doing it. The two are shown to be happy when they are together in the photo album.

In one of the photos in the photo album, Mari and Hero slept beside each other, it wrote under the photo that they look so cozy together and that if Maris dad found out he would be mad that Mari and Hero slept together. In another photo where everyone fell asleep expect Basil, Mari and Hero, Mari and Hero are seen holding hands and laughing together. It is canon the two were in-love, they were childhood friends at first. But it is known that Mari's father would be upset when they got to close. It is implied they were dating, but it was never properly confirmed if they actually were. The pair often supervising everyone else. After Mari's death, Hero was truly sadden as his love interest just died (which he believed she committed suicide), so he was shocked to know, and very upset. It was also shown that Mari was very supportive of Hero, as he considered becoming a because Mari motivated him to do so, though he ended up becoming a doctor instead.

Fanon
This ship is the only canon one in the Omori fandom. This ship is liked by many people. It is a very popular one there is a lot of fanart with both of them. Though some ships like Sunset or Maribrey may be liked more. Overall, it's a popular ship with Mari and Hero in the Omori fandom. The ship name "Picnic Sandwich" comes from Mari doing picnics at dream world, and since Hero's name comes from "Hero Sandwich". There’s also a common running joke in the fandom that they’re the parents of the group.

Fandom
FAN FICTION

Trivia

 * Both are known to be the eldest members in their friend group.
 * Many fans would make fanfics of them where Hero would cry by himself in his room for hours after Mari’s death.
 * In a scene, both of them were shown to be wearing matching sweaters, Hero's sweater has a M on it which means Mari, Mari's sweater has a H on it which means Hero.
 * Both of their names contain of 4 letters, there is also an "r" in the third letter of their names, He 'r' o, Ma 'r' i.