New Release Info: The Island of Dragons Is in Big Trouble! Everyone Can't Sleep🌙✨ The Highly Anticipated Second Installment Is Here! A Heartwarming Adventure Under the Starry Sky Born from Failure. 'Rairaku's Star Dust Shop' Releases June 30!

Iwasaki Shoten product page: https://www.iwasakishoten.co.jp/book/b10168772.html

★ The second book in the colorful and adorable picture book series 'Ryū no Shima no Omiseyasan,' brought from Korea!

Following 'Mogu no Otenki Māto,' this is the second installment in the 'Ryū no Shima no Omiseyasan' series!

This time, the story centers on 'Hoshikuzu Shoppu,' the shop that saves the island from sleeplessness.

The setting is 'Ryū no Shima' (Island of Dragons).

Long ago, a blue dragon named Hyururin arrived and cast a magical spell over the island.

It's a lively and bustling place during the day, but at night it becomes perfectly quiet.

Why? Because at night, cotton-like clouds called 'Watagumo' descend and completely envelop the island.

But one night, the Watagumo fail to appear, and everyone on Ryū no Shima suddenly can't fall asleep.

"Can't sleep, can't sleep. I want to sleep, but I can't!"

So everyone heads toward the 'Hoshikuzu Shoppu,' a shop floating among the clouds.

It's a mysterious shop that sells things to help people sleep soundly.

Could there be something helpful inside?

Rairaku, the shopkeeper of 'Hoshikuzu Shoppu' in the sky, and his assistant Remanuredoh set off into space in a hot-air balloon to save everyone!

They collect special ingredients from distant stars—'Source of Dreams,' 'Lullaby Musical Notes,' 'Fragments of a Black Hole Star,' 'Flowers from the Sleepy Forest'—and more...

But will these attempts succeed?

A heartwarming celestial adventure about how failure brings forth miracles, and how peace returns to the island's nights.

Perfect as a bedtime read-aloud picture book 🌟

★ First print editions come with exclusive cute stickers!

● Publication Details

Title: Ryū no Shima no Omiseyasan

Rairaku no Hoshikuzu Shoppu

Author: Thomas Lee (saku) / Nobuko Okazaki (yaku)

Publisher: Iwasaki Shoten Co., Ltd.

Price: ¥1,400 (base price ¥1,540 + tax)

Format: A4 variant, 44 pages

Target Age: Ages 3 and up, suitable for early elementary school

Distribution Date: June 30, 2026

Release Date: July 2, 2026

ISBN: 978-4-265-85240-6

Iwasaki Shoten product page: https://www.iwasakishoten.co.jp/book/b10168772.html

Product introduction video: https://www.youtube.com/shorts/8VUU521sBvM

● Also available now! 'Ryū no Shima no Mogu no Otenki Māto' (The Highly Acclaimed First Book)

Title: Ryū no Shima no Omiseyasan: Mogu no Otenki Māto

Author: Thomas Lee (saku) / Nobuko Okazaki (yaku)

Publisher: Iwasaki Shoten Co., Ltd.

Price: ¥1,300 (base price ¥1,430 + tax)

Format: A4 variant, 44 pages

Target Age: Ages 3 and up, suitable for early elementary school

ISBN: 978-4-265-85239-0

Iwasaki Shoten product page

https://www.iwasakishoten.co.jp/book/b10146996.html

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● Author Biographies

Thomas Lee = 토마쓰리 =

An author and illustrator who gathers fleeting emotions to craft stories and pictures. He enjoys weaving small fragments of ideas into complete narratives.

His works include the picture book 'Star Dust Shop (tentative title)' (forthcoming from our company), 'Please Bring Summer,' and illustrated essays 'When Your Heart Hurts, Try Counting Cats' and the 'Kokoro Sukusuku' series (all untranslated into Japanese). This book, 'Mogu no Otenki Māto,' is his debut picture book.

Instagram @thomas_leeeeee

YouTube @thomaslee473

Nobuko Okazaki

A Korean-to-Japanese translator and editor. She enjoys conveying worlds originally written in Korean into Japanese.

Her translations include 'I Almost Ended Up Living Life So Hard' and 'Life Is 10% Mood' (both published by Diamond Inc.), 'The Secret Harvard Essay Method That Lets You Write Homework in 30 Minutes' (CE Media House), and 'The Navier-Stokes Equation and Our Final Theorem' (Tokyo News Communications).