I hate to advertise, but Mandrake has Story Board 
on action ( Although the Name is wrong ^_^ )

https://ekizo.mandarake.co.jp/auc_e/itemInfo.do?
itemId=03110004371100001


I dont know if this link is going to work? Being 
https and all

"Magical Warrior Riuy Story Board Final Draft" is 
the item name if you have to look for it manualy