I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability manga volume 7 features story by Kenkyo na Circle and art by Yosuke Kokuzawa.

The prince embarks on a new mission, with Sylpha, Tao, Ren, to exterminate a ghoul infestation! Once underground, they encounter more trouble than anyone expected in the person of Civil War. This ghoul is strong enough to overwhelm Lloyd's three stalwart ladies, but, of course, he takes it on alone! Meanwhile, on the surface, Babylon puts his life on the line against a mysterious priest…