Am I the only one who thinks the popular child from Ren's memories is somehow related to Kodaka Sensei? (Sorry for my English, I'm not a native speaker ^^)
Also, even though it's sad, I'm pretty sure Haru will lose his memory again ╥﹏╥ I think the last page is a hint ...
Or it's Kodaka sensei himself...
I found the raws on this site but you have to sign up :/
http://forum.nihonomaru.net/yuri-and-yaoi-manga.48/thread/amefurashi-scarlet-beriko.460626/