Planet Ladder (manga)

Kaguya was adopted she was very young. However who she is and where she came from is a mystery. Now in high school she avoids strangers as they want to ask questions of her past. Questions she can't answer. Like where she's originally from and what was her real family like. Then one night her peaceful life is shattered when her adopted father is accused of embezzlement. Since she was young she's always had a dream or memory of a boy who helps her and it is because of him that she wants to be strong and not feel like a weakling so she can help her family. Then a mysterious cell phone call soon leads to mysterious people showing up and taking her away to another planet. Where she learns is her home planet and that she's the legendary princess that everyone wants because she alone will decide which of nine parallel planets will survive. 

No memory of where she came from and remembering only her name, Kaguya was adopted into the Haruyama family when she was very young. However, her peaceful life is shattered when her father is caught in an embezzlement scheme. Amid this corruption, strange people show up in her room calling her “Princess” and “Chosen One”. While scrambling to comprehend the situation, another man suddenly appears with his living doll to kidnap her among the chaos. Now Kaguya is on another world as something went wrong with the traveling device, and she’s trapped with the man’s doll as her only companion as she tries to find her way home and learn of her past.