
I believe Yachiro wouldn't do that with the brother. Regarding that hotel, there are two possibilities that come to mind:
1. The brother invited him to "play" so he no longer virgin but Yachiro rejected him halfway
2. Yachiro asked the brother for a lot of advice about sex
Well, despite anything, i believe in yachiro!

I marked this on my "want to read" list for many years ago and it continues to stay there because for God's sake, I've seen too many spoilers, and I wasn't ready for the pain.
Then, several years passed. I've grown up and I thought I was ready to accept that pain so I mustered up the courage to read this manga.... and, yeah, apparently not. I wasn't ready at all. It's a magnificent story, no question. But I regret having read it because for whatever reason, this is too painful for me..
Now, I'm crying in depression and I don't know how to heal myself
Wowwww.... if there is more than hot, then the extra chapter is