The Second Disease Demon King in a Certain Variety Comic

The second grade is a disease, but you will become stronger in the second grade! Chu Yue was possessed by the chuunibyou system, which would kill him if he didn't hit the second tier. Fortunately, he could become stronger if he didn't hit the second tier. After sixteen years of chuunibyou, he finally became the chuunibyou demon king who could destroy the world. The question is... This is an everyday world. Hey, what's the use of being so strong? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.