18 Unlimited
Just Friends
Boys Dormitory 303
Man Hao and Shang Feng
I don’t really know if this is similar, but try checking them out.
http://www.mangago.me/read-manga/doukyuusei_nakamura_asumiko/
http://www.mangago.me/read-manga/aitsu_no_daihonmei/
http://www.mangago.me/read-manga/18_unlimited/
Here’s suujin’s list for that ^ ^ http://www.mangago.me/home/mangalist/717570/
Tamen de gushi, it's gl and really cute
can someone recommend something familiar to 19 days.