The high school department of a middle school in a certain city that was jointly funded by several large consortiums welcomed a bright new student of the next level on September 1st. Among them, there are three girls who are impossible to associate with each other regardless of their appearance, personality, hobbies... And they are actually triplets... Fraternal...
All in all, from this point on, the three people as the center, plus the granddaughter of the colonel, her childhood sweetheart, the student council president, and the members of the school's "staff" began to live a life that makes people smile and exudes youthful melancholy...