romcom:
Toradora!
Clannad! & Clannad After Story
Ouran Koukou Host Club
Chuunibyou demo Koi ga Shitai! (2 seasons total)
Kaichou wa Maid-sama!
Sakurasou no Pet na Kanojo
Tonari no Kaibutsu-kun
Date a Live (2 seasons)
Gekkan Shoujo Nozaki-kun << if you haven't seen this one yet then you need to do this one first
Kami nomi zo Shiru Sekai (3 seasons)
Golden Time
Sankarea << fun one
Hentai Ouji to Warawanai Neko.
B Gata H Kei
Mayo Chiki!
ReLIFE
Action:
Mahouka Koukou no Rettousei << good one.
******* Seven
Rakudai Kishi no Cavalry
Toaru Majutsu no Index
Seiken Tsukai no World Break
Hagure Yuusha no Aesthetica
Overlord
Aldnoah.Zero (2 seasons)
Black Bullet
Absolute Duo
Densetsu no Yuusha no Densetsu
Hellsing Ultimate << verry good action.
Isekai no Seikishi Monogatari
Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo?
Finished Sukitte Ii na yo.
Finished Gakkougurashi!