As an apology that Mariko (Momoko Kikuchi) and Misaki (Yuno Ohara) mistakenly ate the large-sized grill that Yumi (Mayumi Sakura) bought as a local souvenir, she was invited to Sun Plaza Asanuma where Yumi stays. Tasumire (Yui Ichikawa). Sumire was enthusiastic that she couldn't go back to her hometown halfway through her work and private life, but she couldn't plan at work and was injured at the gym she was attending for a change of pace. Was spinning ... When I opened the mysterious 'door' that suddenly appeared in front of me ...