Prologue

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In the world of Japan, there is an idol group called "Virtual Reality" that has taken the country by storm. The group is made up of virtual singers, known as Vocaloids, each with their unique personalities and talents. The members include Hatsune Miku, Kakamine Ren, Kakamine Len, Megurine Luka, Meiko, and Kaito. They are adored by fans all over the world.

However, the group is not complete, and they need three new members to form a sub-unit called "Leo/need." Hoshino Ichika, Tenma Saki, Mochizuki Honami, and Hinomori Shiho are chosen to join the group and become an integral part of their success.

As the popularity of "Virtual Reality" grows, they face tough competition from other idol groups such as "MORE MORE JUMP!," "Vivid BAD SQUAD," "Wonderlands x Showtime," and "25-ji, Nightcord de." Each of these groups has their own unique style and fanbase, making the idol world highly competitive.

Amidst this fierce competition, "Virtual Reality" and their new sub-unit "Leo/need" must navigate the challenges of the entertainment industry while staying true to themselves and their music. With the support of their dedicated fans and the bonds they form with each other, they strive to achieve their dreams and make their mark on the world of music.

"Project Sekai" follows the journey of these talented and passionate individuals as they pursue their dreams and overcome the obstacles that come their way. It's a story of friendship, perseverance, and the power of music to bring people together.