I sure hope it sells well~ Right? Mii-kun!The manuscript is finished~I wonder if we will be alright...u..Good job ♪y-yeah...Wow~ What an amazing line, huh!um...Let's get fired up and go, huh, Mii-kun!Finished Life!
だっこう (dakkou) refers to a finished writing/manuscript and sounds similarly to がっこう (gakkou) which is the word used instead in the title of series.