Since I don't have direct access to the content of "Shounen ga Otona," I'll create a hypothetical blog post based on what such a chapter might entail, especially considering common themes in shounen manga and the title's implication of growth or coming of age.
The chapter ends with him resolving to “become an adult” in his own way.
"Shounen Ga Otona" can be found in various online manga and anime platforms, including [list platforms]. Readers can also purchase physical copies of the manga at select retailers or online marketplaces.
If you can confirm the actual series, I’ll give you a instead of a template.
