Yume is requested to appear on The Best of Music Show's Valentine's Day Special alongside M4, receiving some pointers from Subaru on how she needs to convey her feelings to the audience. During the show, Yume shows off the obligatory chocolate she received from her friends and expresse her happiness through a song, receiving a unique Grade Up Glitter as a result. Afterwards, Yume gives Subaru some "rival" chocolate, declaring M4 to be her new rivals.