Based on the erotic manga by Doumou.

What anime (goofy, romcom, or horror) should I start watching?

Well you can't start with these- Deathnote Parasyte the maxim Naruto* Fairy tail* Bleach* Dragon Ball, dragon Ball z and super* Tokyo ghoul ( manga is better) Akame ga kill (ending is not the same as manga) SAO ( would recommend 1st season) Re:zero Kara hajimeru isekai seikatsu Danmachi Masamune kun no revenge ( not a thriller anime just a rom-com) Trinity seven Another Corpse party Overlord Sousei no onmyouji Taboo tattoo Bongou stray dogs Gintama* To love-ru Masou gakuen hxh (ecchi anime) Strike the blood (this 1s ecchi too) Owari no seraph Guilty crown Seirei tsukai no blade dance Freezing Ao no exorcist The devil is a part-timer Nisekoi Drifters Rosario + vampire One piece ( frgt to mentn it earlier )* Hunter x hunter* Btooom! Log horizon Konosuba Is this a zombie? Akibas trip the animation (ongoing) Joukamachi no dandelion Heaven's lost property K(k-project) K:return of kings Beelzebub* Boku no hero academia Aquarion:Evol The animes with * are animes having around 300 episodes ( well most of it naruto dbz n onepiece cross 700 episodes) Well if u want more animes just msg me ;-) As for website use ; Watch Anime Online, English Anime Online Dubbed, Subbed or Watch anime online, English anime online - Gogoanime