tomorrows book

250 years after Earth collided with an energy mass now known as mana, humanity can finally boast some stability. Alice awakens her class at the age of 21, now free from social constraints and with the possibility of growth in her hands, she embarks on a journey defeating mana creatures and even human enemies. Along the way, Alice will discover that not everything is as it seems, and that the facade of stability is more fragile than she could have imagined.