Space AU ideas

Miach - the sweetest prodigy doctor
Mari - accidentally ingested nanobots. i don't know why she's here.
Elsa - ...shuttle pilot? something unexpected.
Richie - ...idk...??? space psychologist???????
Ull - Space guard

Action takes place on one ship (ala Capesize) but all characters have signed up for it. Off to colonise a far off planet! Except...that doesn't end well...probably.

Space politics!!
Quarantine!
Space fighting with space aliens!!!
Other things!!!!