

Episodes
12 episodes · 2025
The Shiunji family with their seven children reside in a mansion within Tokyo’s Setagaya ward. The eldest son, Arata, is tired of being pushed around by his five sisters and daydreams of a life without them. That is, until Arata’s father reveals a shocking truth—Arata isn’t biologically related to his sisters! The siblings’ relationships will be tested as they navigate life in this new light. (Source: Crunchyroll)
E01What If...?
★8.5Arata (16), the 3rd of 7 siblings and oldest son of the Shiunji family, dreams of a different life until...
E02Now What
★8How will the siblings come to terms with the news?
E03For Now
★9The gang heads to an amusement park to celebrate Kotono's birthday!
E04Respectively
★8After Ouka's confession, Minami and Banri want to find out if anything has changed for Arata.
E05Perhaps
★9.5Kotono's suspicions continue to grow. Meanwhile, Seiha has a theory and demands to test it out.
E06Now's the Time
★6.5Minami's distractions catch up to her in the lead-up to her inter-highs.
E07Surely
★6Where is Minami, and what comes of the tournament finals?
E08Since Then
★7.5Minami deals with the aftermath, and Banri needs someone to help her.
E09Not Yet
★8Ouka's gone AWOL, and the gang must figure out what's going on.
E10Finally
★9Arata has found Ouka, but what next? And how will the rest of the family respond?
E11So Then
★8.5The kids hit up their dad's summer villa in Karuizawa for a chill holiday, but things heat up for Arata!
E12Still
★8.5As the family trip draws to a close, the siblings each come to terms with their bonds in their own way.
