All oden items under 150 yen are eligible. You can enjoy ingredients such as "specialized eggs", "beef tendon skewers", and "charcoal-grilled chicken thigh skewers" for 70 yen during the period (some contents vary depending on the store).
The "oden soup" used in 7-ELEVEN's oden is made from "unfrozen" bonito, and is said to have a taste that pursues umami and flavor.
* All listed prices include tax