Danganronpa Wikiさんのイラストまとめ

Anime Gratte cafe's upcoming Danganronpa collaboration, which will be held May 28 - July 4, will give a free bromide card for each ¥1000 purchase of printed lattes or cookies. Additionally, sticker packs will be available for ¥1100.
https://t.co/1i5ev2aysd

The Danganronpa bubble tea collaboration merchandise is now available to purchase via the A3 webstore while stocks last. Buyers outside Japan will need a middleman such as White Rabbit Express, FromJapan, etc. They are unlikely to appear on Amiami.
https://t.co/WcrYzV7Tfl

Forgot to update on these - most of the Puyo Puyo x Danganronpa collection is now available to order internationally via Amiami.
https://t.co/ALC495T2iI

Japanese bubble tea & cheese tea shop @giran_official will host a Danganronpa 1.2 collaboration from Feb 26 - March 14. Collab merch features a selection of 1.2 charas in cute winter outfits. Badges and stands are available to purchase, coasters are given with a drink purchase.

NIS America have sent out e-mails containing the two flavours for the physical World's End Club release.
Limited Edition set price TBA includes artbook, acrylic stand, enamel pin, full soundtrack.
Deluxe Edition (Day 1 Edition) is 49.99 USD, has soundtrack sampler, mini artbook.

Closeups of the full cast of DRV3's prom outfits have also been released via the Ebten countdown banners.

Pasela has revealed the goods for their ongoing Danganronpa x Akudama Drive cafe. The line includes badges, stands, stickers, a clearfile, a tapestry, and a mask case. They will be available to purchase online from Jan 28 - Feb 28.
https://t.co/ePsJyJQtRs

A number of preview images of the inside of the Danganronpa Decade artbook have been revealed in a new 4gamer article, including some of the "prom" full body images. Preorders are open until Feb 7, after which point it will no longer be available.
https://t.co/iNBnpE6cNo

From Cola's detective work it def seems the Rui Komatsuzaki version - the one released for the new clearfile - was the original, and was used as the basis for the final anime-art style artwork, similar to the Akudama Drive key art, but was never released publically (til now)

Ebten have added a second clearfile to the bundle that will be given away with the new Danganronpa art book collection along with the "prom" clearfile. This artwork is a new variant of an old DR3 promo image - the old version is the 2nd picture in this tweet.