Reno looks at Ttotto.
"Can you be a boat?"
"Yes! Wood can float!" says Ttotto.
Favorite stories are
always waiting for you!
Your child meets favorite characters again,
looks forward to the next story,
and English grows naturally along the way.
Sign in with Google, Kakao or Naver · All books free during beta
Just as Marvel films share one Universe, BookBini series continue inside their own Universes — like the Princess Universe where princesses live, the Toys' Adventure Universe of toy friends, and Bini's Storyland, guided by Bini.
One Universe,
connected series!















What happens
next?
The moment a child wonders what comes next, English stops being a lesson and becomes something to look forward to.
Story First. English Follows.
Read one story step by step, from kindergarten to middle school. The pictures stay the same; only the sentence length and vocabulary change. Below are real sentences from the same scene (Book 3, The Beach Day, Chapter 3).
Reno looks at Ttotto.
"Can you be a boat?"
"Yes! Wood can float!" says Ttotto.
"I am made of wood," said Ttotto. "Wood can float! I have waited four years for this."
"Wood floats. This is the single greatest advantage of being made of wood and I have waited four years to use it."
We didn't just swap a few words. Each edition is rewritten in the expressions and rhythms children really use in each country, and read aloud in that country's accent.
"It just keeps going. Where does it stop?"
"It just goes on, doesn't it? Where's it meant to stop?"
"Everyone all right?"
"Right. Everyone number off."
"How long do we have?"
"How long have we got?"
"That's so much lower than I thought. Thanks, Pixel."
"That's loads lower than I thought. Cheers, Pixel."
Real lines from Book 3, The Beach Day. Highlights mark what changes between the two editions.
An underline follows the narration as it reads. Tap any word to see what it means and hear how it sounds.
Tap to switch the underline style
Underline one word at a time — for confident readers
Reading along word by word
When a busy day is over, your child can drift off to sleep listening to a favorite story in a calm, gentle voice.
Read to the last chapter and games made from that very book unlock. Built from its sentences, pictures and character voices, they bring the story back naturally. Finish them all and a badge lands on your bookshelf.

No reading needed. Hear a character's voice, pick the picture, and find things hidden in the scene.

Guess who said it, and check the story through quizzes with one silly answer mixed in.

Find evidence in the book for one big question, then write what you think.




Bini comes from the beanie hat. Our book friend Bini wears a red beanie, and we borrowed the sound of “beanie” so children can say the name easily and remember it for a long time.
BookBini is made by NexBiz Co., Ltd. NexBiz stands for New EXperience Business — a company that creates new experiences.
No separate sign-up. Tap Read on bookbini.com and log in with the Kakao, Naver or Google account you already use. Or use email: enter your address, tap Get code and type the 6-digit code from the email (no password to create).
More →Pick the child who is reading. The bookshelf opens at that child's level and English (US/UK), and progress, stars and game records are saved per child. 📊 Report on each card opens that child's reading report. Tap the child chip at the top right of the bookshelf to switch children any time.
More →Tap “Forgot the PIN” under the keypad, confirm with your login account (Kakao, Naver, Google or an email code) and set a new one.
More →On a linked child phone only the bookshelf opens — no login, payment or account menus. On your phone: Parent menu → [Link ○○'s phone] gives a Kakao link, a QR code and a 6-digit code. Open it on the child's phone within 10 minutes and tap Link, or enter the code at bookbini.com/link/. Then add it to the home screen.
More →Each chapter has a gently moving picture. Tap [▶ Read to Me] and the story is read aloud with a different voice for each character while the current line and word are underlined. Use Chapters to jump, ‹ › or swipe to turn pages. The next chapter plays automatically.
More →A mode for listening until sleep. Tap 🌙 in the reader or [🌙 Bedtime] on the bookshelf, choose 10 min · 30 min · 1 hour, and after showing tonight's plan the screen dims and underlines and buttons disappear. When time is up it stops quietly with “Good night 🌙”. Turn on “Keep going to the next story” to continue into the next book.
More →
Stories That Continue. English That Grows.
Open the first story your child will love, today.
No sign-up forms — just use an account you already have.
Start with Google, Kakao, Naver or email · All books are free during beta.