Daichi Tamanashi, a.k.a Mr. Harmless, is a super-average boy living a super-average life. He's so average that no one around him seems to even care he exists! However, he's a secret social media star with an account that has over 3,000 followers! Included one-shots: Volume 2: Haru yo, Koi!: Fuyu-hen, Haru-hen Volume 3: Gachipin. Volume 4: Gesu no Ongaeshi

As a part of the JUMP START initiative, the first three chapters of Cross Account were published in English in VIZ Media's digital Weekly Shonen Jump on the same day as the Japanese release.