The storyline is about a yakuza grampa who was being chased and died because he was cornered and then reincarnated into another world which also made him enter the body of a girl who is a princess! The world they are has monsters and also looks like it's from medieval times. But what makes this manga such a must keep reading is that because she was ex yakuza she has knowledge of fighting and looking tough and not be scared when danger is in front of you. Right now she just declared that she's going to be a huge god-looking monster what makes you even more interested in the manga. Also, the dudes that keep appearing in the storyline can't believe what they see when she kicks butt on the villain people of society. HAHAHA trust me you will love this manga!
Yakuza Reincarnation