Rudolf and Ippai Attena Series Marks 40th Anniversary With New Spin-Off Novel by Hiroshi Saito
Kodansha released a long-awaited spin-off novel in the bestselling Rudolf and Ippai Attena series on July 1, 2026, marking both the series' 40th anniversary and 40 years since author Hiroshi Saito's debut, alongside a present campaign offering signed books and gift cards.