It's basically block breaking.
When you erase a block, letters will fall randomly.
If you pick up the letters in the order of "Sensei", "Sensei", and "SENSEI", the stage will be cleared.

＊＊＊What is the Shokuiku Idol Project?＊＊＊
A major project being conducted at Hokkaido Bunkyo University that aims to spread food education through the medium of idols. She works every day with the motto of "food education that can be recommended."
Currently, two teams, ``Eniwakko.'' and ``Izalith,'' are performing to great acclaim.
Please support everyone ❤

***special thanks***
Starring: Sensei
BGM: Sachiko Kamaboko