D4DJ Petit Mix Episode 14 English Subbed Episode Title:Rei's Challenge.Episode Description:Hoping to expand Happy Around!'s musical style, Rei expresses interest in trying different instruments. She initially plays traditional Japanese instruments like the taishögoto, shakuhachi, and ötsuzumi to great success, but the others raise concerns like the difficulty in incorporating them into their songs. Rinku presents African instruments for her to play, which ultimately prove popular with fans.