noun, adverb
after reading; after finishing a book
Used as a noun or adverb to refer to the time or state after reading something, especially a book. Often appears in compound phrases like 読後感 (impressions after reading).
読後の感想を聞かせてください。
Please tell me your impressions after reading.
読後、しばらく余韻に浸った。
After finishing the book, I was lost in its afterglow for a while.