The term 'yen on overlord light novel' is rather ambiguous. It could potentially refer to the cost of the 'Overlord' light novel in yen. In Japan, light novels are a popular form of literature, and their prices can vary. The 'Overlord' light novel might have a specific price point in yen depending on factors like the volume number, whether it's a special edition with extra content like illustrations or bonus stories. It could also be related to the overall economic impact of the 'Overlord' light novel franchise in Japan, in terms of how much money it brings in in yen through sales, merchandise tie - ins, and other revenue streams.
Well, without more context, it's difficult to say precisely. 'Yen' might indicate something related to the economic side in Japan. For the 'Overlord' light novel, it could be about the pricing in yen, the revenue it generates in yen, or perhaps some marketing strategies related to the yen currency and the novel's distribution in Japan. For example, if the light novel has special editions that are priced differently in yen based on their content.