今週の次女ちゃん✨ 『双子ちゃん』
妹「離しなさいお姉さま。着替えられないわ」
姉「嫌よ」
次週予告...今度こそ次女ちゃん
Source: https://twitter.com/monpictura/status/979923189542174722

This Week's Second Daughter✨ 『Twin-chan』
Imouto: "Please let go Onee-sama. I can't change my clothes this way."
Ane: "I won't."

Preliminary Announcement for Next Week... This time, it's these twins
Source: https://twitter.com/monpictura/status/979923189542174722
Imouto means "Younger Sister", Ane means "Elder Sister". I have left them as their Japanese pronunciations as they don't appear to have a name. "Futago" means "Twin/Twins".