“I Don’t Really Get It, but It Looks Like I Was Reincarnated in an Another World” light novel series by Ashi has 3.05 million copies in circulation (including manga, digital). (Yoku wakaranai keredo isekai ni tensei shiteita you desu)
"I Don't Really Get It, but It Looks Like I Was Reincarnated in an Another World" light novel has 3.05 million copies
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