For Colony 9

For Colony 9 is a in Xenoblade Chronicles 3. It is a follow-up quest to A Difficult Transition and can be acquired by discussing Kite Gone Missing. Though Zeon isn't explicitly required at the beginning of the quest, it is impossible to reach Kite and complete the quest without having him in the party.

Result
"Kite and his friends reflected again on their freedom from the Flame Clock, and decided to return to Colony 9 to work together with Zeon after all."