2 Dome No Jinsei, to Omottara, Jitsuha 3 Domedatta. Rekishi Chishiki to Naisei Doryoku De Fukona Rekishi No Kaihen Ni Idomimasu [Light Novel]

[Machine Translation] This time we must protect the happy family! Takheel, a young baron who was said to be incompetent, lost his beloved family without being able to do anything about it. However, when he was about to die, he suddenly manifested space-time magic, which restored his memories of his previous life and sent him back to his childhood. He is no longer frightened by wars and pestilence - he can use his revived modern knowledge to develop waterwheels, dried noodles, and crossbows... Support your parents who are struggling against famine, and twist the fate of your brother who is dying in war by force! By using his knowledge of the future, he can control the damage caused by bad harvests and floods, while at the same time using every means at his disposal to attract promising talents and make Baron Solis' domain prosperous! His unrestrained actions will soon create a swell of historical change across the entire continent, beyond the Kingdom of Kyle! The "family-first" Kirinji overcomes his sad fate! An unprecedented rebellion of unprecedented proportions is about to begin!

「今度こそ幸せ一家を守るんだ!」無能者と言われた青年男爵・タクヒールは、愛する家族を何もできずに失った。だが死に際に突如発現した時空魔法により、前々世の記憶を取り戻した上で幼少期へ逆行!?もう戦争にも疫病にも怯まない―蘇った現代知識を駆使して水車や乾麺、クロスボウを開発すれば...飢饉対策に苦しむ両親を支え、戦死する兄の運命を力技で捻じ曲げる!未来知識を使えば、凶作や洪水の被害を抑えつつ有望な人材をあらゆる手で引き抜き、ソリス男爵領を強盛に!なりふり構わない行動はやがて、カイル王国を越えて大陸全体に歴史改変のうねりを生んでいく―!“家族第一主義”な麒麟児が悲しき運命を打ち破る!前代未聞の一大反逆劇、開幕!