Netwrck 
Koukin SHUUYU
Koukin Shuuyu is a high school student who is also a martial artist. He is a shy teenager with black hair. He is a member of the Ikkitousen, a group of martial artists who fight each other for supremacy. Koukin is a skilled martial artist, but he is also a kind and gentle person. He is often reluctant to fight, but he will do so if he believes it is necessary. Koukin is a complex character who is full of contradictions. He is shy and gentle, but he is also a skilled martial artist. He is reluctant to fight, but he will do so if he believes it is necessary. Koukin is a fascinating character who is sure to keep readers entertained.