High school sophomore Ito was excited for a new dad when her mom remarried, but she may have gained more than she bargained for when she found four younger stepbrothers waiting at home. There’s blunt but secretly caring Gen, calm Raku, reclusive Syu, and cheerful little Rui. Now, Ito must go from the quiet of being an only child to learning how to be the eldest sister of a lively household.
Episodes
Only-child Ito’s life changes overnight when her mom remarries—and she gains four new stepbrothers!
Ito suggest Mom goes with Dad since they just got married. But Gen tells Ito to go as well and not come back?!
Ito's midterm scores are terrible, so Raku helps her study in secret because Gen can't find out!
Gomez has run away, and during the search Gen gets hurt. Even then, he won't allow Ito to take care of him.
The whole family is together for a BBQ -- except the shut in, Shu. Can Ito finally get through to him?
Ito and Shu's party is facing their fiercest opponent yet. Can they overcome this challenge and break free?
It's summer, so the family goes to see Ito's friends. Back in school, Gen is forced to be a prince for a play?
Ito feels some way about Gen, but she’s not sure what exactly. Udagawa sees right through her and says it's...
Ito realizes she has romantic feelings for Gen. Raku finds out, and Gen overhears them talking about it.
Shu has a cosplayer friend?! Shu wants to meet this friend at an IRL event, but can he muster the courage?
Ito and Gen end up sightseeing alone on the school trip, and then something unexpected occurs…?!
It's Christmas and everyone is home! After a huge party, Ito learns this day is very special for the Naritas.
As Raku's out shopping on NYE, a woman asks to borrow his phone. Then she asks Raku for a favor...
Since Valentine's, Ito wavers between just confessing her love to Gen, and protecting the order of the family.
Since hearing how Gen feels, Ito is completely distracted and falls down the stairs...
Being rejected has torn a hole in Ito's heart. Gen also doesn't know how to act. What can be done to fix it?
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