Episode 1: The Static Before the Storm
Production: The series is listed as having 4 episodes in its first season, with the finale released in early 2025. 241129 shounen ga otona ni natta natsu episod
Protagonist's Awakening: Ryuuki, who previously lacked interest in girls, becomes infatuated with Kiriru after seeing her on screen. 241129 — The Summer a Boy Became an
The protagonist undergoes a journey of personal development and finding his place in the world over the course of a single, transformative summer. The Loss of Childhood: Slow Burn: Viewers expecting action, plot twists, or
Plot Focus: This episode continues the developing relationship between Ryuki and the mysterious Kiriru. As Ryuki's obsession grows, the episode delves deeper into the double life Reiko is leading and the psychological tension of her keeping her true identity a secret from her brother while engaging with him as Kiriru. Production Details: Studio: Queen Bee
The code 241129 follows the ISO‑style YYMMDD format (24=2024, 11=November, 29=day). So November 29, 2024 corresponds to Episode 6, titled in Japanese:
“Natsu no Owari ni Kimi ga Oshieta Koto” (夏の終わりに君が教えたこと) — “What You Taught Me at Summer’s End.”
The search results reveal that "Shounen ga Otona ni Natta Natsu" (translated as "The Summer the Boy Became an Adult") is a 4-episode Japanese animated series (OVA) produced by Queen Bee. The series first premiered on September 6, 2024, and concluded with its fourth episode on February 28, 2025.