Koichi question about childhood friends dug up old memories from Kaname; from when Koichi was a volunteer teacher at Kaname's kindergarten and his first love rival.
I'm impressed you're partying outside in this weather.
Me impresiona que estés 
fiestando con este clima.
Me impresiona que estés 
de celebración con este clima.
Que impressionante, fazerem
uma festa ao ar livre nesse clima.