High school of the dead..

wait.. define your "extreme"..

kiss x sis

Masou Gakuen HxH

Hyakka Ryouran:

• Samurai Girl
• Samurai Bride

My first extreme anime is Urotsukidōji. I recomend you "Elfen Lied", "Gantz", "Mnemosyne: Mnemosyne no Musumetachi" and "Shingeki no Kyojin".

Cutey Honey, Ikkitousen, Queens Blade, Green Green...

Aight,one friendly coming right up.

The Nana to Kaoru OVA comes to mind.
All I'll add is this: If it didn't have an in-universe excuse to avoid nudity, it'd be hentai instead

what is 'Ecchi'? i'd google but i'm at work and i suspect is it nsfw

Manyuu Hikenchou.

i will add you . lol prison school was funny still need to watch the live show . did you watch Masou Gakuen HxH ? old school funny would have to be Golden Boy :p give that a watch so funny

Check out Shimoneta.. You won's see boobs but there is a looooooooooot of dirty jokes and sexual content ^^

And a few more ecchi titles;

• B Gata H Kei
• Campione!
• Ichiban Ushiro no Daimaou
• Infinite Stratos
• To Love-Ru (you need to wait till darkness to see boobs)
• Okusama ga Seitokaichou
• Rakudai Kishi no Cavalry
• Seikon no Qwaser (yeee, thats extreme you looking for)
• Sekirei
• Shinmai Maou no Testament
  Hope that will help ^^

Ping Pong Club and Oruchuban Ebichu are fun.

Love Hina

Corey in the white house

Why ecchi when hentai better xD add fr me i'll show u some gal games i buy form steam that u must plays alone with one hand :v

Date A Live? I really don't know what constitutes "extremely ecchi" to be honest. ^_^'

The only ecchi I enjoyed so far is Monster Musume.

If you want more extreme ecchi than Highschool of the Dead and the sorts, you are probably just horny anyway and should straight go to hentai.

Nozoki ana, golden Boy

I wanted to say KissxSis, but since that was mentioned: https://myanimelist.net/anime/7148/Ladies_versus_Butlers

• Shimoseka (Shimoneta.. bla-bla-bla)
• to love ru - darkness
• Masou Gakuen HxH (new one)

very ecchi but very boring =(

loli maho shojo, two young girls kisses, danger danger, high voltage! O_O Fate kaleid liner PRISMA Illya

I saw one that was a secondary guy with a girl with foxtail, I do not remember the name right now

I hate Ecchi ever since I learned what it was. :P