TV Anime 'Left-Hand Eren' x Walking App 'aruku&' Collaboration Event Held!
ONE COMPATH Inc., a TOPPAN Group company, will hold the 'Creators Mission' collaboration event for its walking app 'aruku&' with the TV anime 'Left-Hand Eren' starting April 28, 2026. Popular characters from the anime will appear in the app, and users can win prizes like T-shirts and monaka ice cream by completing walking challenges.
📋 Article Processing Timeline
- 📰 Published: April 28, 2026 at 04:00
- 🔍 Collected: April 27, 2026 at 19:31
- 🤖 AI Analyzed: April 27, 2026 at 21:56 (2h 24m after Collected)
ONE COMPATH Inc., a TOPPAN Group company, operating the walking app 'aruku&', will hold the 'Creators Mission' as a collaboration project with the TV anime 'Left-Hand Eren' starting April 28, 2026 (Tuesday).
The walking app 'aruku&' is hosting a collaboration campaign with the TV anime 'Left-Hand Eren'. A total of 11 popular characters, including Koichi Asakura, Eren Yamagishi, and Sayuri Kato, from this long-awaited animated work, along with a limited-edition 'Koichi Asakura High Schooler ver.' exclusive to the Yokohama area of Kanagawa Prefecture, the setting of the story, will appear in the 'aruku&' town.
## Story
Designer Koichi Asakura, who works at the major advertising agency 'Meguro Advertising Agency', and Eren Yamagishi, a left-handed genius painter, have come to the 'aruku&' town. But it seems they are in some trouble in this new town...? Talk to them and help them fulfill their requests!
## About the Creators Mission
By collecting 'Application Cards' obtained by completing requests from resident characters such as 'Koichi Asakura', 'Eren Yamagishi', and 'Sayuri Kato' appearing on the map, you can apply for a lottery to win prizes such as a 'TV Anime 'Left-Hand Eren' logo T-shirt' or 'Monaka Ice Cream' redeemable at convenience stores. Additionally, you will receive a collaboration stamp for achieving a bronze complete of any 10 character types or a gold complete of any 4 character types.
### (1) Characters from 'Left-Hand Eren' appear!
Characters appearing randomly nationwide and 'Koichi Asakura High Schooler ver.' appearing exclusively in the Yokohama area during the campaign period will liven up the event.
### (2) Complete character walking requests!
In the 'aruku&' app, characters including the protagonist Koichi Asakura, Eren Yamagishi, and Sayuri Kato will randomly appear as residents on the map. By talking to a character and completing the requested steps (e.g., walk 1,000 steps within 3 hours) within the time limit, you will receive an 'Application Card: Creators Mission Card'. By collecting application cards, a total of 310 people will win either a 'TV Anime 'Left-Hand Eren' logo T-shirt' (10 winners) or 'Monaka Ice Cream' (300 winners) redeemable at convenience stores.
Furthermore, upon completing a request, you will earn 3-4 'Help Points' depending on the difficulty of the request. Characters with a total of 50 Help Points can be set as your icon.
## 'Creators Mission' Overview
* **Campaign Period**: From April 28, 2026 (Tuesday) 00:00 to May 12, 2026 (Thursday) 23:59.
* **Prize Application Period**: Until May 14, 2026 (Thursday).
### [Prizes] Apply with 'Creators Mission Card'
* TV Anime 'Left-Hand Eren' logo T-shirt: 10 winners
* Monaka Ice Cream: 300 winners
## ['Left-Hand Eren' x 'Potaro' Title/Stamp Sale]
By using Potastone (in-app currency), you can accept multiple resident requests simultaneously, start requests from distant residents, or extend the time for failed requests. Get Potastone at a great value and aim to complete your resident characters!
Sales Menu *Details on the sale period will be announced within the app
* 800 Potastone (591 + 209 bonus)
* 4,200 Potastone (3,091 + 1,109 bonus)
## About 'Left-Hand Eren'
'Left-Hand Eren', originally created by Kappy, is a highly popular work that has achieved an astonishing cumulative total of approximately 250 million PV, with over 4.2 million copies in print, and has been adapted into dramas and stage plays. It is a creator ensemble drama set in a major advertising agency. The original series began serialization on 'cakes' (service now terminated) in 2016 and has since continued on note. It is gaining attention as a representative work of creator manga, with its TV anime broadcast starting in April 2026.
* **Official Website**: https://eren-anime.com/
* **X**: https://x.com/eren_anime_PR
* **TikTok**: https://www.tiktok.com/@eren_anime_pr
## About 'aruku&'
'aruku&' is a walking app operated by ONE COMPATH Inc. (formerly Mapion Co., Ltd.) since November 2016. It features mechanisms that make walking a habit in an enjoyable and advantageous way among companions, such as collecting resident characters in the app, applying for local specialty products, and functions for rankings and encouraging each other in teams. It also serves as a health promotion measure.
The walking app 'aruku&' is hosting a collaboration campaign with the TV anime 'Left-Hand Eren'. A total of 11 popular characters, including Koichi Asakura, Eren Yamagishi, and Sayuri Kato, from this long-awaited animated work, along with a limited-edition 'Koichi Asakura High Schooler ver.' exclusive to the Yokohama area of Kanagawa Prefecture, the setting of the story, will appear in the 'aruku&' town.
## Story
Designer Koichi Asakura, who works at the major advertising agency 'Meguro Advertising Agency', and Eren Yamagishi, a left-handed genius painter, have come to the 'aruku&' town. But it seems they are in some trouble in this new town...? Talk to them and help them fulfill their requests!
## About the Creators Mission
By collecting 'Application Cards' obtained by completing requests from resident characters such as 'Koichi Asakura', 'Eren Yamagishi', and 'Sayuri Kato' appearing on the map, you can apply for a lottery to win prizes such as a 'TV Anime 'Left-Hand Eren' logo T-shirt' or 'Monaka Ice Cream' redeemable at convenience stores. Additionally, you will receive a collaboration stamp for achieving a bronze complete of any 10 character types or a gold complete of any 4 character types.
### (1) Characters from 'Left-Hand Eren' appear!
Characters appearing randomly nationwide and 'Koichi Asakura High Schooler ver.' appearing exclusively in the Yokohama area during the campaign period will liven up the event.
### (2) Complete character walking requests!
In the 'aruku&' app, characters including the protagonist Koichi Asakura, Eren Yamagishi, and Sayuri Kato will randomly appear as residents on the map. By talking to a character and completing the requested steps (e.g., walk 1,000 steps within 3 hours) within the time limit, you will receive an 'Application Card: Creators Mission Card'. By collecting application cards, a total of 310 people will win either a 'TV Anime 'Left-Hand Eren' logo T-shirt' (10 winners) or 'Monaka Ice Cream' (300 winners) redeemable at convenience stores.
Furthermore, upon completing a request, you will earn 3-4 'Help Points' depending on the difficulty of the request. Characters with a total of 50 Help Points can be set as your icon.
## 'Creators Mission' Overview
* **Campaign Period**: From April 28, 2026 (Tuesday) 00:00 to May 12, 2026 (Thursday) 23:59.
* **Prize Application Period**: Until May 14, 2026 (Thursday).
### [Prizes] Apply with 'Creators Mission Card'
* TV Anime 'Left-Hand Eren' logo T-shirt: 10 winners
* Monaka Ice Cream: 300 winners
## ['Left-Hand Eren' x 'Potaro' Title/Stamp Sale]
By using Potastone (in-app currency), you can accept multiple resident requests simultaneously, start requests from distant residents, or extend the time for failed requests. Get Potastone at a great value and aim to complete your resident characters!
Sales Menu *Details on the sale period will be announced within the app
* 800 Potastone (591 + 209 bonus)
* 4,200 Potastone (3,091 + 1,109 bonus)
## About 'Left-Hand Eren'
'Left-Hand Eren', originally created by Kappy, is a highly popular work that has achieved an astonishing cumulative total of approximately 250 million PV, with over 4.2 million copies in print, and has been adapted into dramas and stage plays. It is a creator ensemble drama set in a major advertising agency. The original series began serialization on 'cakes' (service now terminated) in 2016 and has since continued on note. It is gaining attention as a representative work of creator manga, with its TV anime broadcast starting in April 2026.
* **Official Website**: https://eren-anime.com/
* **X**: https://x.com/eren_anime_PR
* **TikTok**: https://www.tiktok.com/@eren_anime_pr
## About 'aruku&'
'aruku&' is a walking app operated by ONE COMPATH Inc. (formerly Mapion Co., Ltd.) since November 2016. It features mechanisms that make walking a habit in an enjoyable and advantageous way among companions, such as collecting resident characters in the app, applying for local specialty products, and functions for rankings and encouraging each other in teams. It also serves as a health promotion measure.