「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, 「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
For 15 years, I was told to "be the gatekeeper," and while I was standing there, my magical power had grown to 9999 (the strongest). 9999 has grown into the strongest
