Mezzo Forte (2000)

Once the greatest hitman of all, Taro Sakamoto retired in the name of love. But when his past catches up, he must fight to protect his beloved family.

To gain the skills he needs to surpass his powerful father, Baki enters Arizona State Prison to take on the notorious inmate known as Mr. Unchained.

Shion and Rui are the dream team when it comes to hitting on women. Tonight was going to be another night of hooking up with girls for Shion, but he ended up taking a strange drug. When he woke up... he'd turned into a girl?! Rui came looking for Shion, but didn't recognize him, and started hitting on him...

Office worker Ryou Fujihashi is trapped inside her apartment which has set ablaze. The firefighters arrive in time to save her, and one of them happens to be Souma Mizuno, Fujihashi's childhood friend who she had a crush on. As the apartment fire gets put out, an old love gets rekindled.

The anime follows a salaryman who has a chance meeting with a girl named Ai on the train. They begin to meet every Monday on the train, with the man serving as her bodyguard on the crowded commute while they chat.

A legendary hitman trained to become the world's best assassin is asked to lay low for a year by the head of his crime family.

Amamizukan is an apartment complex where no boys are allowed. Tsukimi, a girl who adores jellyfish, lives there happily with her friends who all have nerdy obsessions of their own. Their peaceful lives gradually start to change when a beautiful woman helps Tsukimi out of a pinch. She stays overnight at the apartments—but it turns out "she" is really a "he".

The misadventures of an average kid as he contends with questionable guidance from the well-meaning grownups around him.

Marvin Flute may be the greatest detective ever to catch a cannibal clown or correctly identify a mid-century modern armoire. But there’s one mystery he still can’t crack — his family. Now that he's back in Grimsburg, a town where everyone has a secret or three, Flute will follow every lead he’s got to redeem himself with the ex-wife he never stopped loving, even if it means hanging out with the son he never bothered to get to know.

Heine Wittgenstein is a pint-sized man given a monumental task. He's recently hired by the King of Grannzreich to whip four of his five sons into royalty material as their tutor. At first glance, the princes have all the allure and refinement Heine would expect but underneath their manicured exteriors are four potentially terrible tyrants.