Tatsuki Kuroi

Tatsuki (known as Tatsukichi to Ran) is a wild and kind student at Machida West High School, and he calls himself "the parapara king of Machida" (also known as "Machida Black", since the "kuro" in his last name means "black"). In the manga he is also called Blackwell (the literal translation of his surname). He is often nicknamed "Monkey Boy" since his personality is very similar to that of a monkey. He becomes Ran's boyfriend, although she studiously avoids anything remotely approaching intimacy. Because of this,…