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Natsuki Haibara thought his high school years were a complete failure—until he suddenly wakes up as a freshman again, armed with all he learned in college. Determined to rewrite his school days, he joins the popular crowd, makes friends he never had, and grows closer to his crush. But second chances aren’t as easy as hitting “Restart.” Can Natsuki turn his regrets into a rainbow-colored youth?!
Haibara Natsuki travels back in time and gets a second shot at a better high school experience.
Yuto Uemura
Natsuki Haibara (voice)
Kanon Takao
Hikari Hoshimiya (voice)
灰原くんの強くて青春ニューゲーム
Now playing Season 1, Episode 1 — The Gray Boy's Plan for a Colorful Adolescence
April 3, 2026
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6.7
Season 1 • 12 episodes
Haibara Natsuki travels back in time and gets a second shot at a better high school experience.
Natsuki hangs out with his new friends on the weekend.
Natsuki begins working at a café, and he and his friends study for midterm exams.
Without Tatsuya, Natsuki's once colorful adolescence slowly begins to darken.
Natsuki, Miori, Reita, and Hikari go on a double date.
Natsuki convinces Miori to accept his help and attends a festival with Uta.
Natsuki's friends plan an overnight trip, but Hikari may not be able to attend.
Natsuki supports Hikari as she prepares to confront her overbearing father.
Natsuki heads to the beach with his friends for the colorful summer experience he's always dreamed of.
Serika asks Natsuki to form a band with her.
No episode overview available.
No episode overview available.
Studio Comet
JP
TBS
JP
Sony Pictures
JP
BS11
JP
movic
JP
King Records
JP
Kanna Nakamura
Miori Motomiya (voice)
Aya Yamane
Uta Sakura (voice)
Sayumi Suzushiro
Yuino Nanase (voice)
Ryota Suzuki
Tatsuya Nagiura (voice)
Tomohiro Ono
Reita Shiratori (voice)
Aimi
Serika Hondo (voice)
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Hobby Japan
JP
THE KLOCKWORX
JP
Jinnan Studio
JP
