To commemorate the 10th anniversary of the romance adventure game “Natsu Iro Kokoro Log” from the game brand “Hearts,” the “‘Natsu Iro Kokoro Log’ 10th Anniversary POP UP SHOP” is coming!
From November 14 to December 6, 2026, at Eternal Toys Akihabara, merchandise featuring brand-new illustrations by Shiromochi Sakura will be on sale, and attendees will receive a venue-exclusive bonus postcard.
・The event runs from November 14 to December 6, 2026, with hours from 11:00 AM to 8:00 PM (open daily during the event)
・New items such as tapestries and acrylic dioramas featuring brand-new illustrations by Shiromochi Sakura will be available
・For every 3,300 yen (tax included) spent, receive a venue-exclusive bonus postcard (one of four designs, selected at random); there will also be a raffle for a multi-layered acrylic color paper signed by the artist
・Post-event online sales will be available at the Eternal Toys flagship store (online purchases do not include bonuses)
Details on the “Natsu Iro Kokoro Log 10th Anniversary POP UP SHOP”
A romance adventure game released for PC in 2016 “Natsu Iro Kokoro Log,” will be held at the Eternal Toys Akihabara event space to celebrate the game’s 10th anniversary. In addition to merchandise featuring brand-new illustrations by artist Sakura Shiromochi, who created the original artwork, the lineup will also include items based on the in-game school uniforms, cyber outfits, and SD illustrations.
Large-scale items like tapestries and acrylic dioramas are now available!
The lineup includes the “B2 Tapestry” and “Life-Size Tapestry” made of premium suede, as well as “Acrylic Dioramas” that can be displayed in combination with background parts, and “Large Acrylic Stands” measuring approximately H180mm. High-definition reproductions of original artwork in the “Happiness Art Frame” series and “Rubber Mats” are also available!
Large acrylic stands featuring school uniforms and cyber outfits, as well as SD illustration merchandise, are now available!
The large acrylic stands come in two versions—A and B—for both the school uniform and cyber outfits. “Glitter pin badges” featuring life-size and SD illustrations, as well as blind-box “mini acrylic stands” and “marker ring charms” are also part of the lineup.
Trading Acrylic Art: All 4 Series from Vol. 1 to Vol. 4
The “Trading Acrylic Art” pieces, measuring approximately 128mm × 91mm, consist of four series: Vol. 1 through Vol. 4. All sets will be sold as blind packs.
| Product Name | Price | Specifications |
|---|---|---|
| B2 Tapestry | 4,400 yen each | Approx. 515 mm × 728 mm / Premium Suede |
| Life-Size Tapestry | 7,700 yen each | Approx. 600 mm × 1,700 mm / Premium Suede |
| Acrylic Diorama | 4,950 yen | Approx. H150mm × W210mm |
| Large Acrylic Stand | 2,200 yen each | Approx. H 180 mm |
| Large Acrylic Keychain | 1,430 yen each | Approx. H100mm |
| Pin Badges | 550 yen | 57mm / Blind-stamped |
| Happiness Art Frame (High-Definition Reproduction of Original Artwork) | 16,500 yen | Printed area: 297mm × 188mm / Framed size: Approx. 410mm × 301mm |
| Rubber Mat | 3,850 yen | Approx. 350mm × 600mm |
| Large Acrylic Stand (Uniform Ver. A / Uniform Ver. B) | 2,200 yen each | Approx. H 180 mm |
| Large Acrylic Stand (Cyber Ver. A / Cyber Ver. B) | 2,200 yen each | Approx. H180mm |
| Glitter Pin (Life-Size) | 660 yen | 57mm / Blind-style |
| Glitter Pin Badge (SD) | 660 yen | 57mm / Blind design |
| Mini Acrylic Stand | 660 yen | Approx. 50mm / Blind design |
| Marker Ring Charm | 770 yen | Approx. 50mm / Blind packaging |
| Trading Acrylic Art (Vol. 1–Vol. 4) | 1,650 yen each | Approx. 128mm × 91mm / Blind packaging |
Purchase bonus: a venue-exclusive postcard! Plus, a chance to win an autographed color paper by Shiro Mochi Sakura via lottery!
For every 3,300 yen (tax included) spent on “Natsu Iro Kokoro Log” merchandise at the venue, you’ll receive one bonus postcard (one of four random designs) exclusive to the POP UP SHOP. Plus, you’ll have a chance to win a multi-layered acrylic color paper signed in Shiro Mochi Sakura’s own handwriting through a lottery! Please note that these bonuses are not included with online purchases.
Admission restrictions will be in place for the first two days, along with purchase limits
Admission will be restricted on November 14 and 15, 2026; a waiting line will form outside the tenant building starting at 10:45 a.m. If you arrive before the designated time, you will be directed to the back of the line, and depending on crowd levels, the system may switch to a numbered ticket system.
For new products debuting at this event, purchase limits will be in place: up to 15 random items per transaction per product, and up to 3 items per transaction per type for open-selection items (no purchase limits apply to online orders). Payment can be made via cash, credit card, or various QR code payment methods.
Post-event online sales will also be available at the Eternal Toys flagship store
Online sales will also be available at the Eternal Toys flagship store from November 14, 2026, through December 6 at 11:59 PM.
The “Natsu Iro Kokoro Log 10th Anniversary POP UP SHOP” opens on November 14!
| Event Dates | November 14–December 6, 2026 |
|---|---|
| Venue | [Tokyo/Akihabara]Eternal Toys AKIHABARA Event Space [Online] Eternal Toys Main Store (Post-Event Online Sales) |
| Official Website | “Natsu Iro Kokoro Log 10th Anniversary POP UP SHOP” Special Site |
| Official X | Kizuna Link (@kizunalink_mall) |
“Natsu Iro Kokoro Log 10th Anniversary POP UP SHOP” Frequently Asked Questions
When and where is the event?
The event will be held from November 14 to December 6, 2026, at the Eternal Toys AKIHABARA Event Space (4th floor of the Kanda Nakazawa Building) in Akihabara, Tokyo. Hours of operation are 11:00 AM to 8:00 PM, and there are no scheduled days off during the event period.
Are there any purchase bonuses?
For every 3,300 yen (tax included) spent on “Natsu Iro Kokoro Log” merchandise at the venue, you’ll receive one venue-exclusive bonus postcard (one of four designs, chosen at random). Additionally, attendees will be entered into a raffle to win a multi-layered acrylic color paper signed in Shiro Mochi Sakura’s own handwriting. No bonuses are included with online purchases.
Are there any admission restrictions?
On November 14 and 15, 2026, admission will be restricted; a line will form outside the tenant building starting at 10:45 AM. Depending on crowd levels, the system may switch to a numbered ticket system.
Are there purchase limits?
For new products debuting at this event, purchases of random-selection items are limited to 15 per item per transaction, and purchases of standard items are limited to 3 per type per transaction. There are no purchase limits for online orders.
Is online shopping available?
A post-event online sale will be held at the Eternal Toys flagship store from November 14, 2026, until 11:59 PM on December 6.
Please check the official website for details.
*Please note that the information in this article may be out of date. We apologize for the inconvenience, but please check the official website for the latest details.
©Hearts/AMUSE CRAFT
