It's Super Warm Inside the Snow Fort

Hokkaido Gals Are Super Adorable! – Season 1

Tsubasa decides to attend the Kitami Winter Festival with Minami. Tsubasa is nervous and wonders if it classifies as a date. Some days later, during lunch, Minami asks if she can go to Tsubasa's house. On their way there the two come upon a snow mound.