Link - Boku To Kimi No Aida
Multiple stories about all the tenants that tire in together.
Shiri Fechi Nanka ni Sukarete Tamaru ka
Kimi no Shiranai XX
I'm on the border with this one. The whole raping bothers me, but the story seems interesting. Personally, I'll read this till the end, but it still left me feeling so-so.
Kare No Barairo No Jinsei
This caught the fear of rejection/abandonment very well. There's always fears when you open yourself up to love, but hen you've been hurt for so long, to trust someone is very difficult. I like how the manganaka captured it. Sequa to this story is "Ringo ni Hachimitsu (Yaoi) manga" http://www.mangago.me/read-manga/ringo_ni_hachimitsu/
Aisaresugi Confusion