Let me know how I can assist you further!
: Websites dedicated to anime and manga often have sections for streaming and can be a good resource. shounen ga otona ni natta natsu cap 1 2 3 sub link
The title you're mentioning seems to refer to an anime or manga that involves a story about a boy becoming an adult during the summer. There are several anime and manga titles that feature themes of growth, coming of age, and summer settings. Let me know how I can assist you further