Cocone Corporation will hold a limited-time collaboration with “Debilunlun” — the Nijisanji-affiliated VTuber unit of “Debidebi Debiru” and “Lunlun” — on its avatar dress-up app “PokeColo Twin” from Thursday, May 14, 2026 to Sunday, June 14, 2026. The large-scale collaboration brings premium items and real-world goods, with avatars, voice items and special campaigns designed to capture the appeal of the duo. Debidebi Debiru’s YouTube channel is here.

Overview of the “Debilunlun” x “PokeColo Twin” Collab

“PokeColo Twin” is an avatar app that lets users enjoy cute dress-up styling for the twin “Cocolons,” and has surpassed 18 million total downloads. This collab introduces voice items only available here and avatar items recreating the appeal of the duo, all for a limited time.

A campaign with a total of 200 winners will hand out limited collab real-world goods. A special collaboration site and a launch commemoration video are also being released, with a wide range of in-app touches designed to make players feel like they are spending time alongside “Debilunlun.”

Free “Debilunlun” Outfit Items

By participating in limited-time login bonuses, the “Twins Tour” event and special quests, players can earn outfit items recreating the appeal of “Debidebi Debiru” and “Lunlun” entirely for free. The campaign runs from 12:00 on Thursday, May 14, 2026 to 23:59 on Sunday, June 14, 2026, offering daily-login fun across the collab period.

Limited Collab Gacha with Newly Recorded Voices

A collab gacha featuring the “Star Keeper” outfits that highlight a new side of “Debilunlun,” Cocolium-exclusive items and newly recorded voice items by “Debidebi Debiru” and “Lunlun” only available here will be available from 12:00 on Thursday, May 14, 2026 to 23:59 on Sunday, June 14, 2026.

A special visual shot based on a gacha design by illustrator “Saku no Suke” has also been unveiled, fusing collab-exclusive items with a newly drawn visual. The theme is layered with a story motif built around a “star jar,” reinforcing the overall atmosphere of the collaboration.

100-Winner Acrylic Stand Giveaway and Other Campaigns

By applying through a dedicated form inside “PokeColo Twin,” players have a chance to win one of 100 limited collab acrylic stands in the “In-App Application Campaign,” running from 12:00 on Thursday, May 14, 2026 to 23:59 on Sunday, June 14, 2026.

In addition, by following the official X account (@PokecoloTwin) of “PokeColo Twin” and reposting the daily campaign post at 10:00 during the period, fans can enter the “Follow-and-Repost Campaign,” held for five consecutive days from Friday, May 15 to Tuesday, May 19, 2026. The setup gives fans on both SNS and inside the app a way to take part.

Official Account and Photo Booth for Lasting Memories

When visiting the limited-time “Debilunlun” official account inside “PokeColo Twin,” avatars recreating the appeal of “Debidebi Debiru” and “Lunlun” welcome players. Watering the Cocolium tree triggers a return watering from the official account, with the moment captured as an “Omoide Photo.”

The official account is open from 12:00 on Thursday, May 14, 2026 to 23:59 on Sunday, June 14, 2026, giving fans a way to keep this limited-time experience as photos.

Future Outlook and What to Watch

“Debilunlun” is a popular duo within Nijisanji with a distinctive worldview, and previous large-scale projects include “Debilun Games! Supported by Cygames”. A large-scale app collab built around the two of them like this opens up a fresh point of contact. The campaign period stacks multiple layers — free items, gacha, real-goods campaigns and SNS campaigns — making it accessible for both casual and core fans.

Since the collab-exclusive items will no longer be obtainable after the period ends, the action during the campaign is worth watching.

Takeaway and Outlook

VTuber-and-avatar-app collabs have become more common in recent years, but a large-scale project like “Debilunlun” — which layers strong character pairs across avatars, voices, goods and SNS — stands out for the festival-like feel it offers fans. For “PokeColo Twin,” it opens fresh reach into Nijisanji fan audiences; for Nijisanji, it provides an evergreen way for fans to keep enjoying the characters’ image inside the app. How far the VTuber x dress-up-app combo can scale is worth tracking through this collab and beyond.

Source: PR TIMES