Kou made a promise to Mimirin in the past, to become the perfect manager that will raise her popularity. However, as time went by, Kou only felt his dream being farther as Mimirin became a famous sensation now. Kou wants to have an experience in managing a cosplayer, but no one wants to volunteer for him until Sera comes into his life. Soon, Kou will realize Sera’s potential to become a cosplayer. Sera, after being transported from another world, only wants to return to her world for her father. The story takes us on a friendship, cosplay, and adventure journey as Kou and Sera work together to reach the pinnacle of Cosplay rankings. This book's events, characters, and situations are entirely fictional. Any resemblance to actual persons, living or dead, is purely coincidental. The views, opinions, and actions depicted in this book are those of the characters and do not necessarily reflect the author's or publisher's views. This book is intended for entertainment purposes only. The author does not claim to have expertise in any fields discussed, and the information presented should not be construed as professional advice. Readers are advised to consult appropriate professionals for advice regarding specific matters. I am not responsible for any actions based on this book's content. Any errors or omissions are unintentional and should not be considered deliberate statements. I won't tolerate publishing on other platforms without written permission. For clarifications on copyright, you may contact the author directly through email: [email protected]. Originally, this book was created as a present for someone's ten-year remembrance. For the readers, I hope you enjoy the story. Legends: Bold - Loud dialogues/Texts Messages and BroadcastsItalic - Thoughts/Memories/Creative Works (Poems/Songs)[Footnotes] - Descriptions of Complex Metaphors/Idioms