7x13 - Beyblade

At a beach called Midsummer Beach, a group of people are telling one another urban legends. A man tells them of a monster that is said to lurk around Midsummer Beach. Here, this monsters comes out of the ocean and attacks anybody at the beach. The monster is said to resemble a dark and beastly ghoul, covered in seaweed with glowing red eyes, flashing. The man then concludes that it is just an urban myth and they should not worry, with a laugh of relief following. However, a monster then comes out of the water and attacks the people, calling it the monster they spoke of. The next day, Zero and Co. have decided to go to Midsummer Beach for some rest and relaxation, to take their mind off Beyblade. Everyone has put their swimwear on, all very happy and playing at the beach. Benkei however, commands Zero for more training, despite Zero's refusal. Telling him that in order to become the best, he'll still have to do more training.