I wouldn't call this part as a yaoi, but a bromance :)
LOVEE IT!
AWWWWW CUTE AS FUCK
O_o
I'm glad he didn't r@pe Rain. Many yaoi mangas I've read there are many r@pe scenes which sucks.
AWWWW He leaves a trail of Choco no yama so that the other guy could follow it to the store. <3