Denji was a small-time devil hunter just trying to survive in a harsh world. After being killed on a job, he is revived by his pet devil Pochita and becomes something new and dangerous—Chainsaw Man!

Asa and Denji are going on a date to the aquarium! Asa just wants to seduce Denji to turn him into a weapon, but Denji might have other ideas. Will they ruin the date with their extreme social awkwardness, or will a surprise attack by a devil be the culprit?