The opening ceremony on the first day featured talent Emiri Henmi, representing family-oriented moms, and child actress Hana Toyoshima. Both expressed a dislike for sourness, stating, "I make dishes sweeter to suit my taste," and "I love yogurt, but I prefer it not too sour." After tasting Bifidus yogurt, they showed surprised expressions, remarking, "I can taste its natural sweetness," and "It's mellow and not sour." The product characters Bihkun, Das-chan, and Akudaman took the stage. Together with Ms. Henmi, Hana-chan, and visiting parents and children, they energetically danced the Bih Dance, a dance to make your tummy happy. Similar events will be held in Fukuoka (May 30-31), Kyoto (June 13-14), and Nagoya (July 4-5).