おぼえていないときもあるMeanings1nounExterminator! (book)work of art, literature, music, etc.Title of a book; used as a proper noun referring to the work.『おぼえていないときもある』は、ある作さっ家かのエッセイ集しゅうだ。"Exterminator!" is a collection of essays by a certain writer.
