In midsummer, the girls meet each other
At the autumnal equinox, the girls hide their thoughts, which are obvious but no one can reveal them.
At the winter solstice, the girls just fell in love and faced a brief separation and class separation.
At the Spring Equinox, the girls quarreled over class division, but it also became a reinforcement of their relationship.
The four seasons cycle throughout the year, and girls have their own stories in the four seasons.
Intention: Because I love you, I have the courage to fight against the world