Was he the first chuunibyou?
No, the caveman that discovered fire was.
I'd post the chapter but it is too lewd
World conquest with his means seems achievable, not really a chuuni unless he starts about making laser guns and horseless armoured wagon that early.
>>157655434
Put the bath scene in spoilers.
>>157655463
That is all
>>157657335
Thanks for the dump.