Winter Diamond
- Episode aired Feb 28, 2020
Mai tries out for the Earth Science Olympiad. Later, the club holds a Christmas party, where Mari and Mikage give the others a photo album of their time together.Mai tries out for the Earth Science Olympiad. Later, the club holds a Christmas party, where Mari and Mikage give the others a photo album of their time together.Mai tries out for the Earth Science Olympiad. Later, the club holds a Christmas party, where Mari and Mikage give the others a photo album of their time together.