Rubbers Seven

at the convenience store, “rubbers 7”, the owner, small-time yakuza leader tounomoto munenori, has a mad devotion to the sport of table tennis — so much so that he'll challenge shoplifters to a match. they win, they go free. they lose, they have to work for him at lousy rates. needless to say, he's a very good player. but one girl, soeno natsuki, changes the rules on him… –summary from animenewsnetwork.com