Summer's Popular Event Transforms into a Yokai Festival: 'Shigeru Mizuki's Yokai Summer Festival ~88 Mysterious Constellations~' Reveals Limited Goods & Café Menu!

The entertainment planetarium facility 'Konica Minolta Planetarium TOKYO' (Yurakucho, Tokyo / operated by Konica Minolta Planetarium Co., Ltd. / President & CEO: Yumiko Moto) will offer original merchandise and exclusive café menu items during the event 'Shigeru Mizuki's Yokai Summer Festival ~88 Mysterious Constellations~', running from Friday, July 17, 2026, to Monday, August 31, 2026. These offerings are designed to deepen visitors' immersion in the event's unique world. Don't miss the chance to enjoy them alongside the main experience.

Official event website here

Exclusive merchandise featuring your favorite yokai

The humorous and endearing yokai characters created by Shigeru Mizuki come to life as limited-edition original goods available only during this event. Discover fortune-telling 'Yokai Omikuji', collectible 'Mysterious Can Badges' where yokai transform into constellations, and beautifully designed 'Postcards' based on the event's main visual.

Take home a memorable keepsake from your visit.

● Merchandise Lineup

Yokai Omikuji – 200 yen per draw (tax included)

Yokai Festival Mysterious Can Badge (8 types / random) – 350 yen each (tax included)

Yokai Festival Postcard – 350 yen (tax included)

※ Available for purchase even without an event ticket.

※ 'Yokai Omikuji' will be sold at a special booth; other merchandise available at the in-venue shop 'Gallery Planetaria'.

※ Some items may temporarily sell out or discontinue early.

Yokai Omikuji – 200 yen per draw (tax included)

Have your fortune told by yokai transformed into constellations.

Receive a special message from the yokai, guiding you in your current life.

Yokai Festival Mysterious Can Badge (8 types / random) – 350 yen each (tax included)

Yokai illustrated with constellation lines become exclusive collectible badges.

Unwrap the surprise—discover which yokai you'll meet.

Will you find your destined 'star yokai'?

Yokai Festival Postcard – 350 yen (tax included)

A special keepsake capturing the shimmering stars and festive atmosphere of the yokai celebration.

Perfect as a memento or collectible item.

Savor yokai-inspired festival treats at the 'Yokai Tea House'!

Featuring beloved characters like Kitaro, Medama Oyaji, and Nezumi Otoko...

We've prepared festival-themed food and drinks inspired by popular characters.

Available at a special space open to all, even without an event ticket.

Snap photos with DOME1's visuals and photo panels while enjoying your purchase.

Indulge in the summer festival menu crafted by the yokai themselves.

● Menu Lineup

Hinotama Starry Bottle – 1,550 yen (tax included)

Kitaro's Donut – 650 yen (tax included)

Nezumi Otoko's Cheese Potato Skewer – 650 yen (tax included)

Additional menu items will be announced—stay tuned!

※ Food and drinks purchased within Planetaria TOKYO can be brought into DOME1 during the 'Yokai Festival'. Not permitted in DOME2.

※ Some menu items may temporarily sell out or discontinue early.

Hinotama Starry Bottle – 1,550 yen (tax included)

Comes with an exclusive event tag!

A glowing bottled drink with a ramune flavor, featuring floating blueberry 'fireballs'.

Kitaro's Donut – 650 yen (tax included)

An original donut styled after Kitaro's iconic robe.

Nezumi Otoko's Cheese Potato Skewer – 650 yen (tax included)

Cheesy potato skewers topped with a jumping Nezumi Otoko figure!

The mysterious world born from Shigeru Mizuki's yokai and the planetarium

About 'Shigeru Mizuki's Yokai Summer Festival ~88 Mysterious Constellations~'

Shigeru Mizuki, renowned for his depictions of Japanese and global yokai, continues to captivate audiences with his imaginative universe.

This event fuses Mizuki's whimsical yokai world with the immersive space of a planetarium that projects the night sky.

Inside the dome, all 88 constellations transform into eerie yet charming 'Yokai Constellations'. Special immersive videos transport visitors into the yokai realm, and yokai-themed game stalls add to the festive atmosphere.

From a 'place to view the stars' to a 'mysterious world'—

Experience this unique summer-only journey where reality and fantasy blur, at Konica Minolta Planetarium TOKYO.

Ticket Purchase Information

Tickets are available via online and on-site sales.

【Online Ticket Sales】

Purchasable until 15 minutes before check-in for each time slot.

※ Sold simultaneously via the 'Official Event Website'.

※ Sales end immediately when a time slot is sold out.

【On-Site Same-Day Ticket Sales】

Weekdays: from 10:30 AM

Weekends & Holidays: from 10:00 AM

Obon Period Weekdays (Aug 8–16): from 10:00 AM

※ A ticket issuance fee of 200 yen (tax included) per ticket applies for on-site purchases.

※ On-site sales are for same-day tickets only.

※ Time slots sold out online will not be available on-site.

Event Overview: 'Shigeru Mizuki's Yokai Summer Festival ~88 Mysterious Constellations~'

● Period: Friday, July 17, 2026 – Monday, August 31, 2026

● Hours: 11:00 AM – 7:00 PM

● Schedule (Entry Time Slots):

① 11:00–12:30 (Check-in: 11:00–11:30)

② 12:30–14:00 (Check-in: 12:30–13:00)

③ 14:00–15:30 (Check-in: 14:00–14:30)

④ 15:30–17:00 (Check-in: 15:30–16:00)

⑤ 17:00–19:00 (Check-in: 17:00–17:30)

※ Hours may change due to other events. Please check the official website.

● Admission Fees:

Adults (Middle School & above): 1,500 yen (tax included)

Children (4 years & above): 1,000 yen (tax included)

Children (3 years & under): Free

※ Children aged elementary school or younger must be accompanied by an adult (18+).

※ On-site ticket buyers incur a 200 yen (tax included) issuance fee per ticket.

● Venue: Konica Minolta Planetarium TOKYO (Yurakucho) DOME1

(9F, Yurakucho Marion, 2-5-1 Yurakucho, Chiyoda-ku, Tokyo)

● Official Event Website:

https://planetarium.konicaminolta.jp/event/yokai2026/?hall=planetariatokyo&rl=260703_ptok_yokai2026

※ Online tickets sold via the official website.

※ Event guidelines available on the official website.

● Profile ●

© Mizuki Productions

{Shigeru Mizuki}

Born March 8, 1922. Raised in Sakaiminato, Tottori Prefecture. During WWII, deployed to the battlefield of Rabaul, where he lost his left arm in a bombing. After repatriation, he began creating kamishibai...