Lala to Mainichi is the fourth season of Lalala Lala-chan, a short-format fantasy adventure series that ran for 12 episodes in 2019. The franchise centers on Lala-chan, a squirrel girl with a bit of a selfish streak. In the original series, the birthday presents her friends gave her went wrong and sent the whole group to Earth, where they set out to recover the elemental magic crystal balls that keep their home world in balance.