Nagare Kei

An anthology, with 9 stories of the Gensokyo girls presenting their own food and drinks of choice. Muenzuka Sweet Pickled Ginger - Komachi gets the Three Fairies stealing ginger buds, and gives them both work and a lesson for that. Baked Cheesecake and Pu-erh Tea - The Crown Prince wants to take a courtesy gift to Eientei. She initially wants to take a dessert of heavenly virtues, but ends up settling for a earthly one with probably even greater virtues.

https://e-hentai.org/g/273462/34e950517d/

Gensokyo's border is finally starting to fail and everything is being erased. All the strongest beings (from up to Phantasmagoria of Flower View) in the world are gathered. To gain the means and chose the one to recreate the world and the border, a battle royale is held.