Top 6 in Top 12 best martial arts manga of all time.
This karate manga follows Koutarou Shindou (Kotaro Shindo), a high school sophomore who is a Karate Expert and descendant of an old ninja clan.
He may be a martial arts prodigy, but he's a bit elated and uncontrollable. Most of his time is involved with school officials, his elegant hobby is "picking up" pantsu from his sisters, especially Mayumi's.
There are three things he wants to protect: his rule-breaking long hair, his pantsu collection, and Mayumi.