Mayaka was a great friend she would never betray or hurt you on purpose,she was in love with Niko since childhood that's why she join. Totoro is the kindest and funniest in their group actually he's called Chubby clown on the group,Totoro was once been bullied but miko helped him to fight for himself and that's the reason why he join. Yuri is the smartest and prettiest girl to them Actually she likes riko because she was once been bullied by her own mother,Her dad was the only protector she had to survive from her mothers abusing but he died in the exact same date of her birthday so she left their house and live alone but suddenly her mother found her and told her to do all of the households and luckily riko was there and leave him no choice but to help her. From that day on she realized that there are still some people who can protect her. Riko is a cold person he only have his friends and hope to his life,his parents were in jail his older sister was the only family he had in this past 10 1/2 years so his reason why he joined because he can't leave his friends. Each of them has sad past, Mayakas best friend died 6 years ago because of an car accident but mayaka don't believe that it's just a car accident because she was never been seen in the road for a week that time so mayaka was being too curious about the case even now. You already know what's Totoro,riko,and Yuri. Miko his past was the most difficult one, his mother was in the hospital because of her illness that doctors doesn't know how to cure while his father was the only one who works hard for them so Miko wanted to help but suddenly his father was in pain that he doesn't know and he died. He don't know how can he help but luckily his friends came and stop him from suicide.