Book (Practical) Children's book Ocean Color Diary - Quintet idol's Secret Birthday? - Shueisha Mirai Bunko

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Children's Books
Shueisha Mirai Bunko / Naka No 1's Yua's house is a boarding house by the sea. What a new lodger is the long-cherished idol unit [Tachibana brothers]! And if I thought they were twins, they were all five children! The five children are cool only in idol, and they are all different in Character! It's like a dream that a five child idol lives next door! Moreover, since she moved to the same junior high school, Yua's days are very exciting? Is this a love? The five children don't have parents, so they earn money from modeling and working in idol. It's supposed to be the fifth child's birthday soon, but my second son, Futaba-kun, has somehow hidden it? But Yua, who wants to celebrate, is trying to create a model to buy a birthday present! It's super popular! The third installment of the chest story by the sea!