Seiji points out that the 15 people have slack in their lives, and they are ordered to a training camp to retrain their minds and bodies at a hot spring inn deep in the mountains. The proprietress of the inn who welcomed them is also a member of the Top Grand Prix executive committee, but contrary to Seiji's life, she suggests that they spend a relaxing time relaxing. Misao Ushiku seems to be feeling an eerie atmosphere among the party enjoying a relaxing hot spring inn. Little by little, the true nature of her uneasiness comes to light—!?