"BELK-S First Set" has been published in the free magazine Babyco. Free Magazine Babyco is an obstetrics and gynecology clinic, pharmacies, nursery schools, and a child -rearing support magazine that is installed in "I don't know" in a child -rearing "I don't know". In this issue, there is a feature on the secrets of Nemuri, which is important for the growth of babies seen in brain science.

[Issued: 2023]