Tanaka Kei's movie Hinomaru Soul Butaiura no Eiyuu tachi reveals the additional cast and teaser today, the new cast include Kosaka Nao (Hinatazaka46), Maeda Gordon and Furuta Arata.

The movie tells the story is of 25 heroes behind Japanese sky jumpers winning gold metals in The 1998 Winter Olympics. The protagonist is Nishikata Jinya, who will be played by Tanaka Kei. Nishikata Jinya once won a silver medal in the team large hill competition in the 1994 Winter Olympics, and became a test jumper for supporting the national team in the 1998 Winter Olympics.

Kosaka Nao's character "Kobayashi Noriko" is based on Japanese ski jumper Yoshiizumi Yoshiko

The 1998 Winter Olympics, (commonly known as Nagano 1998), was a winter multi-sport event celebrated from 7 to 22 February 1998 that were centered in Nagano, Japan. In Ski Jumping, Funaki Kazuyoshi won two gold medals and one silver for host Japan.