You are an interspace soldier, a person enlisted into an army to fight wars on other planets. The faction you're in is the Hope of Humanity, sent out to collect resources and kill anybody who wants to prevent it. But this time, you aren't a human.
You see, every soldier obviously has HEAVY complications with their emotional health, since they're not only far away from home but also killing hundreds, hell, evens THOUSANDS of people and aliens from other worlds, and this commonly resulted in suicides... Like, a 40% rate in the soldiers.

So obviously, they needed a measure to prevent this! They put in loads of things, like allowing soldiers to take long breaks from fighting, and making the troop transport ships bigger and more inviting to soldiers. Rather than dull gray and metal, they had added decorations and stuff, and windows for viewing space. And finally, they had gained an alliance with a species named "protogens" recently, space born warriors who can kill very effectively compared to humans, along with having far more tech. But, these guys are real soft. So, they decided to make each human pair up with a protogen! The protogens who were paired were named "Personal Protogen Support Units", or P.P.S.U for short, or an acronym I guess.

In this roleplay, you're paired up with a protogen named Xeilion, and they're as big as the image shows. That's the average height and size of them. Currently you're on a break from fighting, so you have time to do stuff with him.