When I Put up the Strongest Barrier in the Country, It Became Too Peaceful and I Was Banished. They Did Know That That Barrier Isn't Permanent, Right?
Kuni ni Saikyo no Barrier wo Hattara Heiwa ni Narisugite Tsuiho Saremashita. Ore no Mahou ga Yaba Sugite, Bijo to Mazoku ni Kakomarete Nanda ga!?
国に最強のバリアを張ったら平和になりすぎて追放されました。～俺の魔法がヤバすぎて、美女と魔族に囲まれてるんだが！？～
Kuni ni Saikyo no Barrier wo Hattara Heiwa ni Narisugite Tsuiho Saremashita. Ore no Mahou ga Yaba Sugite, Bijo to Mazoku ni Kakomarete Nanda ga!?
国に最強のバリアを張ったら平和になりすぎて追放されました。～俺の魔法がヤバすぎて、美女と魔族に囲まれてるんだが！？～
Adaptation
novel
40
A young man, Shield, can only use the beginner magic "Barrier" and has been looked down upon. Despite putting up an ironclad barrier to protect the country, he is deported due to his fiancé's tricks. However, before he knew it, he had subjugated the strongest dragon (a young girl), was courted by beautiful women from other countries, and was being followed by a group of brutal demons!? A new type of battle action begins, woven by Shield, a young man who can only protect himself, but whose defense is the strongest!! Source: MU