Nijigen no Mori to hand out Armin birthday sticker for Attack on Titan event

Nijigen no Mori on Awaji Island will distribute a limited-run Armin Arlert birthday sticker starting Nov. 3 as its Attack on Titan collaboration enters its final three months. The giveaway is tied to night-event admission and is limited to guests on a first-come, first-served basis.

Why it matters: - The giveaway adds a time-sensitive draw for fans visiting the Attack on Titan collaboration at Nijigen no Mori as the event heads into its final stretch. - The promotion ties a character birthday to in-park spending, with access limited to guests who buy admission to the night attraction. - The campaign also reinforces Awaji Island’s anime-tourism push by using an exclusive collectible to drive attendance.

What happened: - Nijigen no Mori will distribute an original "Armin Birthday Commemorative Sticker" starting Tuesday, Nov. 3, 2026. - The sticker celebrates Armin Arlert’s birthday and is part of the sixth character birthday event in the Attack on Titan collaboration series. - Distribution is limited to guests who purchase admission to "Attack on Titan THE NIGHTWALK -Beyond the Walls-." - The handout will take place at the attraction reception on a first-come, first-served basis until supplies run out. - The collaboration event is in its final three months at Awajishima Anime Park Nijigen no Mori in Hyogo Prefecture, Japan.

The details: - The sticker shows Armin against a flower backdrop inspired by Awaji Island, known as the "Island of Flowers." - Nijigen no Mori describes the item as a campaign-exclusive novelty. - The overall Attack on Titan × Nijigen no Mori collaboration runs from Saturday, March 14, 2026, through Sunday, Dec. 13, 2026. - The event is held at 2425-2 Kusumoto, Awaji City, Hyogo Prefecture, inside Hyogo Prefectural Awajishima Park Anime Park Nijigen no Mori. - The night attraction covers a roughly 1.2-kilometer forest walk with projection mapping and immersive sound effects. - Visitors join the Survey Corps and receive an original card at the finish. - Daytime programming includes "Attack on Titan Stamp Rally in Nijigen no Mori," where participants collect four character stamps and receive a novelty postcard. - A second day program, "Attack on Titan Mystery Quest - Nijigen no Mori Edition / At-Home," will start later. - The collaboration merchandise lineup includes newly illustrated goods of Eren, Mikasa, Levi, Erwin and others, with a total of 36 original items. - The food menu includes 11 collaboration items, including character-themed bowls, plates, cakes and drinks. - Night-event admission costs 3,600 yen to 4,000 yen for adults 12 and older and 1,600 yen to 2,000 yen for children 11 and under. - The stamp rally experience ticket costs 800 yen. - Children must be accompanied by at least one guardian, and children 4 years old and under are admitted free to the night attraction.

Between the lines: - The birthday sticker is a classic scarcity play: limited quantity, character-specific timing and entry tied to a paid experience. - The event mixes fandom, food and merchandise to keep visitors on-site longer and raise the odds of repeat spending. - The seasonal schedule changes and varying ticket prices suggest the park is managing demand across different periods.

What's next: - Sticker distribution begins Nov. 3 and ends when supplies run out. - The broader collaboration continues through Dec. 13, 2026. - Nijigen no Mori says operating hours vary by season, so visitors need to check the official site before going. - Tickets and updates are available through the park’s website and ticket page.

The bottom line: - Fans who want the Armin birthday sticker will need to move fast, buy a night-event ticket and get to the reception before the limited stock is gone.