Over the past couple months, Key has been creating set after set of LINE stickers for their titles such as CLANNAD, Angel Beats!, Charlotte, and even Nyatsume Kyoudai. Appropriately, with Episode 1 of the anime adaptation premiering today, 40 SD Yumemis have joined LINE today:
https://store.line.me/stickershop/
This is a companion discussion topic for the original entry at https://kazamatsuri.org/planetarian-gets-in-on-keys-line-craze-2/