when a school boy becomes a world wide hero named 'zakura'

A boy named Zaki was shifted to a new house in Mumbai (India). After putting all the things in drawing room. He saw a doar then he asked from his mother about the doar so she said that the doar is for protecting the house from theifs. and also there is a pet house. So he wish for a new pet dog because he loves animals after some times he thought to go and open the doar then he saw a big ground and a big pet house with some plants and trees. Then his mother said that what do you want to eat today I am going to order the food from restaurant because I am so tired. after discussion his mother has gone in her room and said clean your room and sleep. He go and se that the room is so untidy so he was cleaning then he found a dairy which was kept on the top of the shelf then he took out and open it he saw that the dairy was written by "Aagney Singh" who was a great scientist but few months ago he was murdered by gang for any antidote. when he was opening the first page his father has called him in the drawing room so he kept the dairy on the bed and go to the room and said be ready We are going two to buy a cute puppy.

In chapter 2 someone died from his family....