To “become an adult” in this narrative sense can mean three things, often tangled together:
: Kirill is actually Ryuuki's older sister, Reiko , a genius chemist who created the carefree persona as an outlet for her repressed feelings. shounen ga otona ni natta natsu 1 f1dbe2701 top
If you're looking for recommendations or insights into coming-of-age stories in anime/manga, there are several titles that explore these themes deeply, such as "Naruhodou! Himeta" (a more straightforward coming-of-age story), "Your Lie in April" (which explores growth through music and love), and "A Silent Voice" (which tackles bullying and redemption). To “become an adult” in this narrative sense
The setting—a quiet Japanese town filled with the sound of cicadas and warm sunlight—creates a nostalgic, melancholic backdrop for the story's mature themes. shounen ga otona ni natta natsu 1 f1dbe2701 top