第 1 季 共 10 集
播出时间：2024年7月8日
第 1 集 Sheep Costume
播出时间：2024年7月8日
Kobato and Osanai made a pact to lead a quiet life as regular students upon entering high school. However, soon after, a handbag mysteriously disappears at the school, and Kobato is asked to help solve the case.
第 2 集 How to Make Delicious Hot Cocoa
播出时间：2024年7月15日
Kobato and Osanai are invited to Dojima's house, where he makes them cocoa using his special method. When Osanai leaves, Dojima asks Kobato about his change in personality.
第 3 集 Humpty Dumpty
播出时间：2024年7月22日
During a class assignment, a vase in the cabinet seemingly breaks by itself, but there's an elaborate plan behind it. However, this mystery is quickly forgotten when Osanai sees the bicycle thief again and plots revenge.
第 4 集 Mind of a Lone Wolf
播出时间：2024年8月5日
Kobato, along with Kengo, tries to get to the bottom of Sakagami's motives. It seems there is more to the case than initially suspected. However, Kobato's concern for Osanai is also growing.
第 5 集 Berliner Mystery
播出时间：2024年8月12日
Kobato finds Osanai crying in the school hallway, but she runs away without telling him what happened. At the student newspaper club, a new mystery involving Berliner Pfannkuchen (jelly doughnuts) awaits him.
第 6 集 But I Get to Keep Charlotte
播出时间：2024年8月19日
Osanai ropes Kobato into her plans for the summer vacation. However, the cake he is supposed to buy for her proves to be irresistible, even for Kobato.
第 7 集 Shake Half
播出时间：2024年8月26日
Just before a date with Osanai, Kobato runs into Kengo, who shares some disturbing news and leaves a strange message. Together with Osanai, Kobato tries to solve the mystery. However, shortly after, it appears that Osanai is in great danger.
第 8 集 C'mere, You Want Some Free Candy?
播出时间：2024年9月2日
When Kobato goes to visit Osanai at her home to invite her to eat candied apples, he learns that she has been kidnapped. Just as he leaves the apartment, he receives a mysterious message from Osanai and, with Kengo's help, sets out to find her.
第 9 集 Sweet Memory (1)
播出时间：2024年9月9日
To top off their summer sweets tour around the city, Osanai treats Kobato to a Tropical Parfait as thanks for rescuing her. Along with this delicious treat, Kobato is also served the whole truth about Osanai's kidnapping.
第 10 集 Sweet Memory (2)
播出时间：2024年9月16日
After a long conversation, Osanai and Kobato come to the conclusion that their agreement has failed – and with it, their friendship. From then on, they go their separate ways.
