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TRPGプレイヤーが異世界で最強ビルドを目指す = AiMS FOR THE STRONGEST BUiLD UP CHARACTER THE TRPG PLAYER DEVELOP HiMSELF in DiFFERENT WORLD : ヘンダーソン氏の福音を
てぃーあーるぴーじー ぷれいやー が いせかい で さいきょう びるど お めざす : へんだーそん し の ふくいん お
est. Rough estimate based on volume count, reprints and magazine — not an official figure
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections