Taketo is the grandson of Tsubaki Aida, the owner of the candy store where Ilulu ends up getting a job. Aida had made it clear that Taketo was not very interested in the candy store job, which is why Ilulu ended up getting the job. During Ilulu's first day at work, Taketo wondered how her grandmother hired a girl with Ilulu's "attributes", but seeing how she performed with customers, Taketo ended up discovering that Ilulu was a kind and friendly girl, so ends up becoming her friend