D.C.5 Sweet Happiness ～ダ・カーポ5～スイートハピネス
In the egret marsh, the crimson egrets are young
The head heir of the Sagisawa main family, Yukiko's caretaker, knowledgeable in medicine and responsible for health management; When Yukiko was away, he also took care of the vegetables she grows.
Akari Shirakawa
Daughter of the Shirakawa family, close friend of Aika. Poor health for a long time, re-enrolled after spring recovery; She has a cheerful personality and looks forward to meeting the Soma trio mentioned by Aika.
Setsuna Tokosaka
The former head of the Tobusaka family, who handed over the position to Souma, who inherited magic. After ending his term as student council president in spring, he was finally able to live with his partner as an ordinary student.
Genzo Sagisawa
The Sagisawa main family's overseer, responsible for overseeing and restraining those connected to the family; Skilled in martial arts.
Kaoru Shirakawa
Aika's mother and also Akari's wet nurse. Gentle in temperament, skilled in cooking and pastries, Akari regards her as another mother.
Aika Shirakawa
A friend of Akari Shirakawa, she once entered the academy as her stand-in and later confessed to her friends. She is also the signature staff member of Tsukimi Dango and has begun making her favorite snacks.
D.C.5 Sweet Happiness ～ダ・カーポ5～スイートハピネス
"D.C.5 Sweet Happiness" is a lovers' follow-up story produced by CIRCUS for "D.C.5." Souma Kusei welcomes a new spring, continuing to live on Kakomi Island with the important people who have established relationships with the main story.