Ainoa's younger sister and Souma's childhood friend. Skilled in cooking, caring for people, and making small items, serves as the head of the astronomy club, and often frustrates Souma and Ainoa not attending events.
D.C.5's character design
Ainoa's younger sister and Souma's childhood friend. Skilled in cooking, caring for people, and making small items, serves as the head of the astronomy club, and often frustrates Souma and Ainoa not attending events.
Character design in D.C.5 Sweet Happiness
In Kezi's epilogue, she gradually lets go of her inferiority complex compared to her sister and comes to recognize her own abilities more; The jewelry production received positive feedback, and we hope the astronomy department will recruit new members in the new academic year.
D.C.5 - Kako Route
During the cultural festival, Kako and Souma prepared astronomy observation programs under the name of the astronomy club; Near the end of the event, she confessed to Souma, and the two began dating. Afterwards, she received commissions to make accessories and taught children how to make accessories at Tsukimi Dango's children's events.
When the black rift appeared and Ainoa was absent, Souma asked Kako for help. She used the jewelry he had given him in the past as a medium to help him release his magic and eliminate the rift.
D.C.5 - Ainoa Route
When Ainoa still hasn't returned, Kako and Souma attempt to cross the branch world together. Following their connection with Ainoa, they found her, and Souma was able to bring her back to her original branch world.
Related entries
- Featured works:D.C.5 ～ダ・カーポ5～
- Voice Acting (D.C.5):Aoi Koga
- Featured works:D.C.5 Sweet Happiness ～ダ・カーポ5～スイートハピネス
- Voice (D.C.5 Sweet Happiness):Kiiro Tsukino
- Sister:Ainoa Yasaka
- Childhood Sweethearts:Nine Star Creation
- Astronomy Department Advisor:Presented to Kyo Shoutaro
- Prepare for astronomical observation together and start socializing near the end of the event (PC original sub-route):Nine Star Creation
- Use the accessories gifted by Chuang Shin as a medium to help him eliminate the Black Rift (PC original sub-route):Nine Star Creation
- Together with Souma, she searches for her sister who has lost her way in other branch worlds (original PC story Ainoa route):Ainoa Yasaka
- Together, they follow the path to find Ainoa who has lost the direction of the branch world (original PC Ainoa route):Nine Star Creation
References
- CIRCUS: Kako Yasaka
- CIRCUS: SH Kako Yasaka
- CIRCUS: D.C.5 Sweet Happiness product
- D.C.5 Impressions and Reflections
- CIRCUS: Shikiyo Shoutaro
Data compiled on: 2026-10-07.