This episode is about these two.
Alata and Eri decide to stay in Nozomu's place. As for the rest of the Goseigers, Hyde is still busy trying to find ways to communicate with the Guardian Realm. As for the Landick siblings, Agri and Moune, Agri still sees Moune as just 1/2 of her full potential, causing her to show off her capabilities, which often leads to some rash decisions. Can the Landick siblings reconcile before the episode ends?
Before talking about the sibling dynamics in this episode, we are given a proper introduction to Nozomu's father, Professor Amachi. Based on the scene, I think I finally understand why he can't tell the Goseigers secret. For someone who looks like he is in his 30's, he doesn't know how to take care of himself! Heck, he doesn't know how to button his shirt and wears the wrong pair of socks for crying out loud! That alone is enough reasons why you can't entrust a secret to this guy. Which makes me wonder how the heck he got married and have Nozomu?
Aside from this one, this episode focuses on the sibling dynamic between Agri and Moune. We see them perform as a team a couple of times now but the question is do they quarrel like regular siblings from time to time? This episode showed us that they do quarrel, especially when it comes to fighting as Agri sees Moune only 1/2 of him in terms of fighting. To be honest, I agree with Agri, Moune feels like she just use whatever strong card she has in her hand just to beat the MOTW without thinking its possible consequences in battle.
We see this happen in this episode as her use of the Rockrush Card only lead her to get an injury thanks to an enemy counterattack rather than damaging it. Thankfully, Agri did some damage on its wing that looks like a snow crystal. Moune used the fallen pieces of his wings as a method to look for the MOTW later in the episode. While they are busy fixing Moune's injured leg, Alata finally suggested them to stay in Nozomu's house. Though Alata's suggesting this all of a sudden breaks the serious mood for a bit, at least this shows us that the Landicks don't like to depend on other people.
This angle gets interesting later on as Alata acted as Agri's sort of guidance counselor after Moune ran way to look for the MOTW even though she has an injured leg. To sum up their conversation, it is basically Agri sees Moune's potential as a fighter but he is just too worried about her as a brother. I just love Alata's solutions in this problem; just have more faith to her sister and to some extent, with the other Goseigers. It's a simple lesson that most people overlook from time to time.
As for Moune, she finally finds the MOTW only to get beaten by it a couple of times that is until the other Goseigers arrive and Alata cancelling the blizzard with the Twistornado Card. Now that the storm is clear, it is time to fight the MOTW with no problems! But before that, the siblings reconcile and Agri finally realized the importance of the other Goseigers aside from his sister. The fight in this episode is fantastic and it highlights Moune as a competent fighter and her teamwork with her brother, before they finish it up with the Gosei Buster.
The giant battle in this episode is kinda interesting since it's snowing and that we saw a Land Combi Attack with the legs. Oh, we have an explanation about the B.B. Bugs that Bladerun created to enlarge the MOTW. So yeah, that's the only thing worth talking about in terms of giant battle in this episode. At the end, the Goseigers decided to stay in Nozomu's house but first, they must clean it up!