"Monban Yattero" to Iware Juugo Nen, Tsuttatetteru Aida ni Ore no Maryoku ga 9999 "Saikyou" ni Sodattemashita「門番やってろ」と言われ15年、突っ立ってる間に俺の魔力が9999（最強）に育ってました; "Monban Yattero" to Iware 15 Nen, Tsuttatetteru Aida ni Ore no Maryoku ga 9999 "Saikyou" ni Sodattemashita; Being Told "Do Your Best" for 15 Years, My Magical Power Has Grown to 9999 "The Strongest"

Although Royle is blessed with a good physique, he was told that he had no talent for fighting, and was forced to work as a lonely gatekeeper for 15 years. While he is working, all he can do is fantasize about the adventure stories in which he is the main character, and his job as gatekeeper is replaced by an automatic surveillance interception magic tool and he is laid off.Loyle is at a loss, but along the way he meets the saint Diz. After meeting her, he discovers that the strongest original magic that was available in her delusions can be used in realityAn exhilarating story about the strongest man with no communication skills and 9999 magic power who becomes an adventurer and becomes unrivaled!