2026 marks Kodansha’s 10th year on BookWalker\! To celebrate this incredible milestone, we’re offering 20% Coin Back on a wide selection of Kodansha titles.
But wait… There’s more to the anniversary\! Visit the [**Event Page**](https://bookwalker.com/ex/kodansha-10th-anniversary) to see all offers.
Ends September 14, 2026 at 11:59 PM PDT
Use Slime as an exercise ball! A treasure chest as a stair-stepper! Low-calorie herbs as snacks! Powerful weapons, phenomenal magic, and fierce monsters! The beautiful priestess Alicia will try anything and everything in her struggle to lose weight! Cuz before she can defeat the Demon King, she's gotta defeat this accursed blubber!