A collaboration between Tanuki to Kitsune and Touyou Suisan's Maruchan instant noodle line Akai Kitsune (udon with abura-age) and Midori no Tanuki (soba with ten-kasu) and 7Eleven. Where if people by two instant noodles at 7Eleven they can receive 1 of 4 Tanuki to Kitsune mini-manga.

Source: MyAnimeList