

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.
Episodes
What If...?
Arata (16), the 3rd of 7 siblings and oldest son of the Shiunji family, dreams of a different life until...
For Now
The gang heads to an amusement park to celebrate Kotono's birthday!
Respectively
After Ouka's confession, Minami and Banri want to find out if anything has changed for Arata.
Perhaps
Kotono's suspicions continue to grow. Meanwhile, Seiha has a theory and demands to test it out.
Now's the Time
Minami's distractions catch up to her in the lead-up to her inter-highs.
Since Then
Minami deals with the aftermath, and Banri needs someone to help her.
Finally
Arata has found Ouka, but what next? And how will the rest of the family respond?
So Then
The kids hit up their dad's summer villa in Karuizawa for a chill holiday, but things heat up for Arata!
Still
As the family trip draws to a close, the siblings each come to terms with their bonds in their own way.





























