Bad mood alert.

http://www.mangago.me/read-manga/neko_neko_honey/ (●'◡'●)ﾉ

These two are soo adorable:
http://www.mangago.me/read-manga/harapeko_usagi_to_koisuru_ookami/

http://www.mangago.me/read-manga/kokoro_kanda_neko/

http://www.mangago.me/read-manga/number_call/
http://www.mangago.me/read-manga/lovers_doll/
http://www.mangago.me/read-manga/wakabaryou_de_kimi_to/

hi friend :D try
Twinkle
Hana to Usagi

(i was gonna come up with a list of em but i just now realized how little fluff mangas I know of)

Have fun - Fleet on the Fluff..
http://www.mangago.me/home/mangalist/200/

Aw, don't lose hope. This, too, shall pass. I don't know the particulars of your present cynicism, but there are also days where being alive redeems itself.

http://www.mangago.me/home/mangalist/26616/
http://www.mangago.me/home/mangalist/71919/
For shoujo try - "Junjou Drop". I had a really bad day when I picked this up. But it lifted up my mood! ^_^