Chains of Love and Destiny

Yuri goes to see a dolphin show, but when he is called up to the stage to shake hands with a dolphin he is then transported to the other world. After Yuri finds out about an imposter thought to be the Demon King, Yuri plans a trip to save the person, accompanied by Wolfram and Conrad. Along the way, they met up with Gwendal. During the trip, they encounter a Sand Bear and Wolfram along with the rest of the soldiers except for Conrad and Gwendal fall into its sand trap.