It All Started At Hi!!! School (My unexpected someone)

Year 2089, a lot of historical events took place in just almost of century, from pandemics to zombie outbreaks and tons more. They felt like it's the end of the world or something, but it's still standing as the way it is. After all of those events humanity made a promise to strive together and set aside their differences, nobody trusted them that it would work out. Seeing it now they were wrong, it did work out for the better. Technology has blessed them even more, all of these people working together finally achieved peace and prosperity. From easily accessible holograms used for some teaching in schools to highly advanced walls made to be full proof from natural disasters. Even though humanity is blessed, they learned their lesson from being too greedy and actually didn't fully adapt to being futuristic. Of course they used some equipment to make their lives even better but they wanted to stick to riding busses and other vehicles to school rather just instantly getting their via teleportation pad. Everything is beautiful.. And some are living their lives while others still don't know when to give up... That is until "they opened something they shouldn't have" Follow Reanna's adventure in a improved world in high school. Living her life to the fullest and who knows maybe "something" out of the ordinary happens.