Country Building, Conquest, Seige in fantasy/isekai
Manga
About Kingdom, Empire, Nation, Town, Dungeon in a Expansion/Defense story. Also Kingdom Building, Territory Management, Land Development.
Protagonist is reborn as a baby in fantasy/isekai
https://myanimelist.net/stacks/37356
Protagonist is a Servant, Royalty, or a Saintess/Saint in Fantasy/Isekai
https://myanimelist.net/stacks/48209
Protagonist's child is born/pregnancy during story (SPOILER WARNING)
https://myanimelist.net/stacks/37305
Lots of Creating, Building, Cultivating in Fantasy/Isekai
https://myanimelist.net/stacks/38431
Isekai-Fantasy/Dungeons dragged into the Modern World
https://myanimelist.net/stacks/38406
Protagonist is reborn as a baby in fantasy/isekai
https://myanimelist.net/stacks/37356
Protagonist is a Servant, Royalty, or a Saintess/Saint in Fantasy/Isekai
https://myanimelist.net/stacks/48209
Protagonist's child is born/pregnancy during story (SPOILER WARNING)
https://myanimelist.net/stacks/37305
Lots of Creating, Building, Cultivating in Fantasy/Isekai
https://myanimelist.net/stacks/38431
Isekai-Fantasy/Dungeons dragged into the Modern World
https://myanimelist.net/stacks/38406
Light Novel, ? vol, 2012
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Author:8
Recommended Light Novel series. Has a Manga & Anime adaptions.
Genjitsu Shugi Yuusha no Oukoku Saikenki
How a Realist Hero Rebuilt the Kingdom
Manga, ? vol, 2017
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Author:8
Adapted from a recommended Light Novel series.
Isekai Kokka Alchimaira: Saijaku no Ou to Musou no Gunzei
Different World Alchimaira: The Weakest King and Matchless Army
Manga, 3 vol, 2021
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Author:9
Isekai Mokushiroku Mynoghra: Hametsu no Bunmei de Hajimeru Sekai Seifuku
Apocalypse Bringer Mynoghra: World Conquest Begins with the Civilization of Ruin
Manga, ? vol, 2020
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Author:8
Suterareta Tensei Kenja: Mamono no Mori de Saikyou no Daima Teikoku wo Tsukuriageru
The Abandoned Reincarnation Sage
Manga, 8 vol, 2020
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Author:8
Tensei shitara Slime Datta Ken
That Time I Got Reincarnated as a Slime
Manga, ? vol, 2015
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Author:8
Adapted from a recommended Light Novel series.
Maou-sama no Machizukuri!: Saikyou no Dungeon wa Kindai Toshi
Dungeon Builder: The Demon King's Labyrinth is a Modern City!
Manga, ? vol, 2018
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Hyakuren no Haou to Seiyaku no Valkyria
The Master of Ragnarok & Blesser of Einherjar
Manga, ? vol, 2015
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Adapted from a Light Novel series.
Manga, ? vol, 2020
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Author:8
Okiraku Ryoushu no Tanoshii Ryouchi Bouei
Easygoing Territory Defense by the Optimistic Lord: Production Magic Turns a Nameless Village into the Strongest Fortified City
Manga, ? vol, 2021
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Ore wa Seikan Kokka no Akutoku Ryoushu!
I'm the Evil Lord of an Intergalactic Empire!
Manga, ? vol, 2021
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Adapted from a recommended Light Novel series.
Doukutsuou kara Hajimeru Rakuen Life: Bannou no Saikutsu Skill de Saikyou ni!?
A Cave King's Road to Paradise: Climbing to the Top with My Almighty Mining Skills!
Manga, ? vol, 2020
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Author:6
Bannou "Murazukuri" Cheat de Otegaru Slow Life: Mura desu ga Nani ka?
The Amazing Village Creator: Slow Living with the Village Building Cheat Skill
Manga, ? vol, 2021
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Author:-
Kouchuugun Shikan, Boukensha ni Naru
Captain Corinth: The Galactic Navy Officer Becomes an Adventurer
Manga, ? vol, 2018
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Author:9
Goshujinsama to Yuku Isekai Survival! The Comic
Survival in Another World with My Mistress!
Manga, ? vol, 2020
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Author:7
Ore dake Level ga Agaru Sekai de Akutoku Ryoushu ni Natteita
I'm Now an Evil Lord In a World Where Only I Can Level Up
Manga, ? vol, 2021
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Author:7
Tensei Ryoushu no Yuuryou Kaitaku: Zense no Kioku wo Ikashite White ni Tsutometara, Yuunou na Jinzai ga Atsumarisugimashita
Reborn as a Feudal Lord Gathering a Talented Elite So This Land Can Thrive by Employing My Past Life Experiences as an Overworked White-Collar Worker
Manga, ? vol, 2020
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Zettai ni Hatarakitakunai Dungeon Master ga Damin wo Musaboru made
Lazy Dungeon Master
Manga, ? vol, 2018
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Manga, ? vol, 2018
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Author:8
Manga, 4 vol, 2019
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Author:8
The story covered by the Manga adaption is incomplete. Unless there is a continuation, you will need to read the Web Novel.
Fushi no Kami: Henkyou kara Hajimeru Bunmei Saiseiki
Fushi no Kami: Rebuilding Civilization Starts with a Village
Manga, ? vol, 2021
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Adapted from a Light Novel series.
Suuji de Sukuu! Jakushou Kokka
Survival Strategy Thinking with Game Theory for Save the Weak
Manga, ? vol, 2019
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Manga, ? vol, 2022
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Manga, ? vol, 2020
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Seisan Mahoushi no Rakuraku Henkyou Kaitaku: Saikyou no Ajin-tachi to White Kokka wo Kizukimasu!
The Crafty Mage: Frontier Settling Made Easy
Manga, 3 vol, 2022
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Tsuihou Majutsushi no Sonogo: Shintenchi de Hajimeru Slow Life
Exiled Magician's Afterwards
Manga, ? vol, 2021
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Daishizen no Mahoushi Ashto, Sutareta Ryouchi de Slow Life
Nature Mage Ashto's Slow Life in an Abandoned Forest
Manga, ? vol, 2020
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