Boku no Pico.
its not a cartoon its anime lol and it has a small hint of romance
school rumble
Yes. Genocyber is very violent and gory. It also has sex and nudity in it.
Yes read the perverted comments and the summary above the episode
romance
There are many, but Inuyasha is a long running anime with fighting and romance.
Boku no Pico.
no
Shigatsu kimi wa uso and Nodame Cantabile are among the most popular romance and music anime.
its not a cartoon its anime lol and it has a small hint of romance
There is no anime for 1/2 Prince. It's not even a "manga". It is a "Manhua" and novel. But the Manhua does have romance. It is a romantic series.
school rumble
yosuga no sora ^.^
Yes. Genocyber is very violent and gory. It also has sex and nudity in it.
Yes read the perverted comments and the summary above the episode
no, there's no romance in prince of tennis at all. it's a sport anime/manga.