Tập 7: Matsugorou Cup team competition features Mai Tanuma and the Osaka team led by Kaji Takaomi.

The team competition for the Matsugorou Cup begins and among the participants is Mai Tanuma, who is Setsu's childhood friend, Yui's friend on social media, younger sister of the prodigy Souichi Tanuma, and daughter of the accomplished shamisen performer Kamiki Ryuugen. Mai gets upset when she finds out that Setsu is competing, but is unable to participate in the individual competition. Setsu walks out of the concert venue intending to skip the opening ceremony and meets Souichi, while at the venue Mai meets Yui in person for the first time. After the opening ceremony in which Umeko puts on a stage show, the competition begins. Setsu returns to the venue as Kai scolds him for walking out causing his teammates to worry. After some teams perform, the team from Osaka led by Kaji Takaomi performs. The Osaka team performs with perfect technique and synchronization that wows the audience. (Source: Wikipedia)

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