Papa no Iukoto wo Kikinasai!: Usagi no Mark
パパのいうことを聞きなさい! 〜うさぎのまぁく〜
Hina Takanashi is the youngest of three sisters, a cheerful 3-year-old who brings positivity to her family. After the death of their parents in a plane crash, the sisters are now cared for by their 19-year-old uncle, who finds it difficult to maintain family unity and happiness. Hina's upbeat attitude helps lighten the emotional burden during tough times. This story runs alongside the main series as a separate but related narrative.