Ep. 4: Riche teaches online mahjong to help Nashiko against strong opponents

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Riche instructs the other girls on how to play mahjong online against various opponents. The competition proves difficult, and Nashiko struggles to secure a victory. Recognizing her friend's distress, Riche steps in to help. She takes on the challenge directly, focusing her efforts on analyzing and countering the specific strategy employed by their opponent. This intervention allows the group to face the skilled players more effectively, with Riche taking the lead in the match to turn the tide in their favor.