His weapon of choice was the standard textbook series: Minna No Nihongo . But not the main book. No, the main book was for the classroom, for the gentle sensei who smiled when he mixed up kaimasu (to buy) and kaerimasu (to return). The main book was hope.
Some dragons aren’t slain. They’re simply outgrown, one te-form at a time. Fukushuu D Minna No Nihongo
(If my work ends early, I will come again. Because I want to talk with you.) His weapon of choice was the standard textbook