Haibara's Teenage New Game+ Episode 1 Story & Preview Cuts Released: Rewriting a Gray High School Life into Rainbow Colors

The story and preview images for Episode 1 of the TV anime Haibara's Teenage New Game+ (JP: 灰原くんの強くて青春ニューゲーム) have been revealed. This episode will air on Friday, April 3, 2026, at 1:28 AM (JST) on Japanese broadcasting stations, and will later be available on various international streaming platforms.

Episode 1

Natsuki Haibara is a young man on the verge of starting his professional career. Having spent a "gray" adolescence ever since failing his high school debut years ago, Natsuki suddenly finds himself leaping back in time to the period just before his high school entrance. Seizing this second chance to redo his school life, Natsuki resolves to rewrite his bleak past into a vibrant, rainbow colored future. Immediately after enrollment, he manages to join the group of the most popular and attractive students at the top of the classroom hierarchy and finds himself getting close to Hikari Hoshimiya, the beautiful girl he once had an unrequited crush on.

Introduction

"If only my wish could come true, I'd want one more chance to do my youth over again."

Natsuki Haibara is a young man on the verge of entering the workforce. Ever since he failed his "high school debut," he has lived through a gray and dreary adolescence. One day, he suddenly time-leaps from his fourth year of college back to the moment just before his high school entrance ceremony!

Having gained the chance to redo a high school life that was filled with nothing but regret, Natsuki launches his "Rainbow-Colored Youth Plan" to rewrite his gray past into something vibrant! Using his past experiences to his advantage, he manages to join a group of the school's most popular "top-tier" students and gets closer to the beautiful girl he once loved from afar.

However, the rainbow-colored youth he yearned for isn't just fun and games... Can Natsuki truly reclaim the youth of his dreams?!

Spring 2026 Anime List

Source : Haibaras Teenage New Game+ Official