Jettermars Wiki
Littlebrother

About the Character[]

Otouto is a small puppy who befriends Mars after Mars saved his life. They get along really well and have a lot of fun together. Mars is very protective of his Otouto and will do anything to protect him.

Story[]

Spoiler warning!
Do not read beyond this point if you don't want to be spoiled!

Otouto appears in episode 4 "Goodbye, Otouto!" Otouto was a Puppy Mars saved from becoming roadkill, in the process having to knock Dr. Yamanoues car off the road. They are then attacked by a tank, Mars ends up blackmailing Dr. Yamanoue into keeping the puppy. Dr. Yamanoue ends up saying yes, and Jetter Mars saves him.

When I walk the doggie walks too!

Mars playing with his new brother!

Consoling

Mars consoling his brother.

Mars gets really attached to this puppy, Dr. Kawashimo ends up worrying about the tank that attacked Dr. Yamanoue, and convinces Dr. Yamanoue to inspect the Puppy, the Puppy attacks Dr. Yamanoue, who then found out that the Puppy was a robot, and tells Mars to destroy it. Mars panics and tells Dr. Yamanoue that he won't do it and that it's his brother! Mars consoles the puppy, and they run away. Jetter Mars finds an abandoned light house and says to his Otouto that it could be their new home.

Little Brother

Otoutos inner-workings.

Dr. Yamanoue and Kawashimo analyze a projection of the mechanical inner-workings of the puppy, finding that there's a bomb inside it. Just then they're attacked by a group of gangsters led by a man named Tack. They blackmail them into giving the puppy back to them. So they go to Jetter Mars, and try to take the puppy and remove the bomb before the gangsters arrive, but the gangsters attack them, threatening them that if they don't put the puppy into the flying vehicle that they will activate the bomb. Mars can't take this, and goes in with the puppy, thinking that he wouldn't risk blowing up the pod with Tack inside it piloting. However, it's revealed that inside the pod is a dummy with a speaker!

Goodbye, Little brother!
The pod exploding

But, just before the puppy explodes though, he pushes Mars out of the pod, and detonates.

Dr. Yamanoue can't take this and deletes that part of Jetter Mars memory. Jetter Mars can still remember having a little brother at some point though...

...

Jetter Mars recognizing he might of had a little brother at one point.

End of spoilers!
It's okay to read beyond this point.