: A 4-episode animated version produced by the studio Queen Bee .

The third episode continues the exploration of Ryuki’s journey toward "adulthood" as he navigates his escalating relationships with the women in his life.

This appears to be a specific file or release title, likely from a Japanese adult (or fan-made) visual novel, RPG, or animation, given the structure:

Introduction "Shounen ga otona ni natta natsu" (The Summer the Boy Became a Man) evokes a classic coming-of-age premise: a discrete summer as the crucible of transformation from adolescence to adulthood. Reading the work as a 2021 release (volume 3 or edition indicated by “3 233cee811 2021”) situates it amid contemporary social currents—global pandemic aftereffects, increased digital intimacy, and reevaluation of masculinity—which shape its themes and narrative choices.

. The third instalment or specific version mentioned in your query likely refers to the digital distribution or volume release associated with the series' expansion between 2021 and 2023.