Responses
You could try this
http://www.mangago.me/tag/Rollercoaster /
Maybe this one:
http://www.mangago.me/read-manga/itsuka_no_koi_to_natsunohate/
are there any mangas where..
dude A like dude B but dude B doesnt like dude A, so dude A “loses interest,” but dude B eventually likes dude A and they live happily ever after :))))))))