The anime film The Apothecary Diaries: The Late Lady's Treasure will start a tie-up campaign with Tsumura's wakan (traditional herbal) throat drop series on November 2, 2026, according to Anime Anime. Buyers of eligible products can enter a lottery for original prizes, with 1,500 winners in total.
Three products qualify. One is a new throat drop, ツムラ和漢の力のど飴. The other two come from Tsumura's おいしい和漢ぷらす line: its たかめるのど飴 variety and its standard のど飴. The standard version will be discontinued once retail stock runs out. Purchases from the official Tsumura online shop also count.
To enter, buyers upload a photo of their receipt to the form on the campaign's special site. Online shop customers upload their delivery slip instead. Entries are accepted from 10:00 JST on November 2, 2026, until 17:00 JST on January 31, 2027.
There are three prize tiers. The A prize is a diorama acrylic stand, the B prize is a ¥300 QUO card, and the C prize is a clear file. Everyone who completes an entry also receives one of three original smartphone wallpapers, chosen at random.
The campaign has its own original key visual. It features balloon flower and licorice, two ingredients in the new throat drop, along with yuzu, which Anime Anime says represents a refreshing aroma and slight bitterness. The campaign's newly drawn illustrations are also planned for other sales channels during the campaign period.