I don't know for sure as I haven't read it. But if the title is anything to go by, Polar is likely a main character. There could also be other characters like those who live in the cold environment Polar comes from, such as Eskimos or other Arctic/Antarctic natives.
Not having read the graphic novel, it's just speculation. But Polar must be one of the main characters. There could be a group of friends or family members that are part of Polar's story. Maybe there's a scientist who is studying the cold environment where Polar comes from and becomes involved in Polar's story. It's also possible that there are some mythical creatures in the cold area that play important roles in the story, like a yeti - like creature that befriends or challenges Polar.
Chapter 446, ", Mutinous Interstellar Warriors", is the clearest early answer because the buildup finally cashes out in a real clash. It opens with Gu Hang's thinking was quite natural: knowing that Green Skin... and closes on The Green Skin command system began to recover, no longer as.... The key payoff is that the danger stops being abstract and the conflict around Mutinous Interstellar Warriors becomes immediate, forcing the surrounding cast to react under pressure.
Chapter 299, ", Life is Really Tough", is the clearest early answer because it turns Subspace Inferior God's situation into a concrete plot event. The setup is Actually, Gu Hang's original plan was somewhat risky., but the pressure keeps building through Directly pulling Galaraldo's soul into the Storm God Kingdom, if....
Chapter 290, ", Western Desert Campaign Settlement", is the clearest early answer because it turns Alliance Army's situation into a concrete plot event. The chapter turns that into something concrete by moving from Colonel Li Kexi certainly had reasons to be angry. to Even if the Mechanical Legion had fiercely attempted to stop them,....
Chapter 398, ", Just Like Students of Our Youthful Days", is the clearest early answer because it turns Alliance's situation into a concrete plot event. Early on, He did not miss the opportunity to change his fate; during his school.... By the end, What comes next is of utmost importance!" "What should we do?!" "We....
Chapter 331, ", The Great Battle", is the clearest early answer because the buildup finally cashes out in a real clash. Early on, Seriously speaking, being surrounded does not equate to victory.. By the end, However, a series of triumphs like a rampaging victory over multiple.... Inside the broader faction conflict storyline, the danger stops being abstract and the conflict around the main cast becomes immediate, forcing the surrounding cast to react under pressure.
Chapter 345, ", Turns Out My House Caught Fire", is the clearest early answer because it turns Korolya's situation into a concrete plot event. The setup is Gu, the meeting is about to start," a servant reminded from behind., but the pressure keeps building through Gu Hang nodded slightly, turned around, and left for the starship's....
Chapter 300, ", Battle for Command Authority", is the clearest early answer because the buildup finally cashes out in a real clash. The setup is Gu was on Korolya III, coordinating with a joint investigation team..., but the pressure keeps building through Yan Fangxu tightly gripped the combat plan he and his comrades at the....
Chapter 330, ", Is a Mountain Gun Still a Cannon?", is the clearest early answer because it turns Alliance Army's situation into a concrete plot event. The chapter turns that into something concrete by moving from The war on Heijian Star hadn't subsided in the least with the... to He, too, was implementing the changed approach he had reported to....
Chapter 278, ", The Cold Fury of the Phoenix", is the clearest early answer because it turns Battle Group's situation into a concrete plot event. Early on, No pre-battle mobilization was needed, not a single extra word had to.... By the end, Mid-air, in the seconds before landing, Anat swiftly scanned the....
Chapter 383, ", No Choice", is the clearest early answer because it turns Fatchess Tri's situation into a concrete plot event. It opens with However, despite knowing this, he couldn't easily promise those two... and closes on This strategy, overall, was based on the Tianma Fleet still stationed....