My Aquatic and Funny Friend!

In Coral City (a seaside town) everyone is terrified, because in the last weeks they have seen a strange and gigantic creature in the sea. The creature is always seen on the beach where people are having fun, especially children. The Mayor of the city promised a great reward to anyone who capture the monster. But only the children of the Coral City know that the creature is indeed a friendly and lovely sea monster, who just wants to make friends.