Who is this girl?
She's Takagi, the smuggest troll.
>he doesn't know takagi-san
To actually answer OP's question (the point of this board):
Karakai Jouzu no Takagi-san
>>155946
What, are you incapable of googling "takagi-san"?
>>155950
>>155481
I'm not sure "Takagi-san" is appropriate for /wsr/.
>>155957
Now there's the true waifu.