Omake Gif Anime - Full Metal Panic! Invisible Victory - Episode 5 - Cross Bow Flips Ogre

Sousuke said he figured out quirks of the old mech he piloted for his first match. Understated, as always.

Nami was Sousuke's first boss. They're about the same age, but she's a native of the Southeast Asian country this Namsac city is in. This extended flashback must be important to whatever is going on in the present.