The Ideal Sponger Life manga volume 5 features story by Tsunehiko Watanabe and art by Neko Hinotsuki.

Not once in hundreds of years has the royal family of Sharou left the Twin Kingdoms, but suddenly, a delegation of their finest enchanters arrives in Capua. Prince Francesco seems at first glance like a carefree fool, but what secrets does this unassuming royal keep hidden from the world? Zenjiro will need all his cunning to navigate the dangers of royal diplomacy…and avoid maybe getting accidentally seduced along the way.