Yankee no Onigahara-san ga Boku ni Dake Kahogo Sugiru
She is the strongest but overprotective. My childhood friend is the strongest Yankee who can shut up even crying children. But in front of me, she's a kind and loving big sister. Wait a minute, aren't you overprotective? The popular manga video that has been played over 2.5 million times on YouTube is now available as a web manga!