With Mythra and Nia off on a 10-day quest, Rex cuddled and slept with Pyra, who he loves like a mother.

With Pyra and Nia on a mission that would take about 20 days, Mythra and Rex were all alone at home for some one-on-one time. Mythra revealed to Rex something that not even Pyra knows about: She was actually an undisputed M and wanted her beloved to do whatever he wanted to her. Request from ultimateCCC.

Mòrag and Brighid waiting for Rex to be a legal adult. When that day finally came, the Driver and Blade were ready to make love to him. Request from Lord of Dong.

Pyra and Mythra led the Rare Blades on an exposition/expedition mission for 1 month, leaving Rex and Nia to be alone together. This meant nonstop fucking for 30 days straight as Rex and Nia took advantage of their privacy. Request from ultimateCCC.

At least 3 years after the events of Xenoblade Chronicles 2, an adult Rex became bored after a long period where nothing happened. His solution was to take off his clothes and be naked in public. When he revealed his fascination with CFNM to Pyra, Mythra and Nia, they offered to help him out with his kinky needs.

After saving Alrest, Rex, Pyra, Mythra and Nia built a new home to settle down. Once they had a new home, Pyra, Mythra and Nia want to confess their feelings for Rex. Request from ultimateCCC.

After Rex is almost killed, he, Pyra, Mythra and Nia confess their love for each other. Request from OmegaMetroid Hunter.

Pyra, Mythra and Nia had a secret resistance bet, unbeknownst of their beloved Rex, that if any of the 3 could fully resist of caving in to ask him for sex at week's end, then the winners would earn bragging rights, but if all 3 failed before the deadline, then the 3 would have Rex know about the bet and decide on their punishments. Request from ultimateCCC.

Pyra, Mythra, and Nia sat down with Rex to warn him that at the start of Sunday at sunrise through the end of Saturday at midnight, their respective sex drive will be at an all-time high due to the Aegis energy overflowing them and it's up to their beloved to handle all 3 each day by filling them up no matter what. Request from ultimateCCC.

A certain Salvager King's 18th birthday is coming up and Pyra, Mythra, and Nia are planning to give Rex something special. First, special love individually in the form as cosplay and then ending it with a foursome. Request from ultimateCCC.