Reborn in another world, as a male?!

Synopsis- Anna Stark was, by all means, an ordinary teenage girl until she died trying to save her best friend, who was about to be run over by a truck. Luckily she saved her friend, but only in exchange for her life. In her final moments, she regretted not living her life to the fullest. However, death wasn't the end that Anna expected and now she has a second chance to live. Reborn with a new body on a new world. Given a task to unify the fragmented world, she will embark on a journey to bring peace and unity to the new world. The only problem with that is that she was reincarnated as a male and the world in which she was reincarnated in, Terra, only 5% of the entire population is male. How will Anna now fare in a world where men are a rare species?