If you're looking for anime similar to Lalala Lala-chan: Lala to Mainichi, you might like these titles.
Three kids living in the Watermill Village were planning a picnic in the mountains. Of course Pico, a young hamster kid wanted to go to the mountain peak with her friends Tocho and Fufu. The three of them fall in a hidden lake beneath the mountains and discovered a giant fish named Aesop floating. The knew that the fish wanted to fly again, in order to do that, they must collect mystical scales all across the world. Because of this, they start their search for the mystical scales in order for Aesop's dream to come true.
Mock and his sister, Sweet, are curious about the fuss on the earth and eventually decide to come out of the ground. They save the poor, the innocent and the brave whenever and wherever these people need help.
Young beaver Chuck's adventure with his little friends. When thy are in trouble, Chuck often asks his father to help them out.