Clover Trefle

Three years after Saya and Mr. Tsuge's marriage.
At the office, Saya's classmate, Himeji Suzuki, known as the "last bachelor," is working quietly. Her sister Hanane, who works at the same company, is getting married, and Yuzuha is a popular girl who can't get enough boyfriends, but Himejo has been without a boyfriend for 10 years.