I don't know lately I'm kinda feel depressed... can someone give me some manga that can li...

any specific genre? is yaoi okay?

19 days and Gintama (=・ω・=)

You should watch Barakamon!!
It was the most refreshing anime I ever watched until now ^^

Anything will do :) and thank you

http://www.mangago.me/read-manga/jungle_king/
Made me chuckle (≧∀≦) hope your depression disappears!!

http://www.mangago.me/read-manga/nukoduke/
http://www.mangago.me/read-manga/hinatama/
http://www.mangago.me/read-manga/baby_kokoro_no_mama_ni/ (ongoing)

anime-tanaka-kun wa itsumo kedaruge

These might do the trick: http://www.mangago.me/home/mangalist/124326/