CATDOLL: Taiwan will film a live-action drama of "Chibi Maruko-chan". What is left of childhood that has not been ruined?

Previously, there was news that the classic animation "Chibi Maruko-chan" would be remade into a live-action TV series in Taiwan. Today (March 1), the live-action version of "Chibi Maruko-chan" in Taiwan officially started filming. The official opening ceremony was held and the main actors were announced. Maruko is played by newcomer Lin Xinlei, her sister is played by Wei Man, and Hanawa is played by Jiro Wang. In fact, putting aside other things, "Chibi Maruko-chan" is a story about elementary school students, so why choose a bunch of adults to play the roles? Are they going to make an adult version of "Chibi Maruko-chan"?