Konoha: the Ninjutsu I Teach, Critical Hits Are Returned

When he woke up, he became a mediocre Iruka, working as a teacher at an advanced ninja school. Fortunately, the critical hit return system has been awakened. As long as it is taught or given to students, the apprentice's ninjutsu, taijutsu, ninja tools and other items will be rewarded by the system immediately. "Ding~~~" "You teach the female teacher electrician knowledge, trigger the return, and reward the "Water Prison Technique"" "Ding~~~" "You teach Sasuke, chakra control method, trigger return, reward, and butterfly transformation technique." "Ding" "You gave Naruto a spinach pill, which triggered a return, in addition to the god-level spinach reward." ... Natsuki: Iruka-sensei, my stomach hurts, can you rub it for me? Maiko: Iruka, the light bulb in my house is broken again. Come over here and help me fix it. ... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.