Here's some fluffy manga to hopefully cheer you up (though some of them still have smutty scenes) :0
http://www.mangago.zone/read-manga/ikumen_after/
http://www.mangago.zone/read-manga/koishite_daddy/
http://www.mangago.zone/read-manga/fukurou_kun_to_kare/
http://www.mangago.zone/read-manga/doukyuusei_nakamura_asumiko/
http://www.mangago.zone/read-manga/itadakimasu_gochisou_sama/
http://www.mangago.zone/read-manga/razoku_no_hanayome/
http://www.mangago.zone/read-manga/tadaima_okaeri/
Just hope these can help you feel better..
http://www.mangago.zone/home/mangalist/200/
http://www.mangago.zone/home/mangalist/116513/
http://www.mangago.zone/home/mangalist/215/
kokoro series by kanda neko, i've reread them a few times and they always heal me :)
I had a bad day and before i sleep i want to either cheer up w fluff or cry myself to sleep with angst. Either way i will feel better after i read manga. Oh and please gimme recs with good art if possible thx.