A four hour long video featuring two adorable step sisters, Lala and Kana, who are full of curiosity and energy. As they enter their teenage years, older sister Akari becomes more mature and secretive while younger sister Natsumi remains calm and collected. Elder sister Sumire has thick hair and is bold, while her younger sibling Ichika is innocent yet active. Shy older sister Moeka dreams of marrying her uncle, while her younger sister Rina matures faster and becomes more assertive about her desires.
