Talk:Kishou Arima/@comment-50.158.162.51-20160307043235/@comment-213.66.199.45-20160307192303

^ Beacuase Arima killed Yomo´s sister.

Yomo got pissed off when Arima pulled out Narukami in their encounter in the past, therefore Narukami is Yomo´s sister.

Yomo is also hinted to be Touka´s uncle.

Yomo´s sister = Touka´s and Ayato´s mother.

That´s the theory with evidence from Ishida.