The fourth part of Ascendance of a Bookworm ~ You cannot choose the means to become a librarian ~ Self-professed library member of the House of Peers (8) TO Books

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This light novel is amazing! 2017, 2018, 2019, 2020 / Congratulations! It has been made into a TV animation! "This light novel is amazing! 2018 & 2019" Number 1 for 2 years in a row! The total number of the series has exceeded 1.2 million! [Story] After finishing his second year in the House of Peers, Rosemine returns to life in his territory. At first glance, the days are calm, including the meeting with his new brother, the search for Kakyusei's close aides, the breaking of fish, and the old story of his great-grandfather. However, Ferdinand is acting strangely. What is the key "Adalziza fruit" and the king's sudden decision - the chief priest tells Rosemine : "I should have died before the Baptism". The secret of his birth, the last promise with his father, the bitter decision. Ferdinand's choice to bet on the future of Ehrenfest : "I should have died before the Baptism." The secret of his birth, the last promise with his father, the bitter decision. Ferdinand's choice to bet on the future of Ehrenfest : "Do your best to read the book! The latest issue of BeBu Rear Fantasy, which suddenly changes to the last chapter! Two SS with 10 years on the chest, and" four frame manga "drawn by Yu Shiina!