Botsuraku Yotei no Kizoku dakedo, Hima dattakara Maho wo Kiwametemita 4 [Light Novel]

[Machine Translation] Liam, a nobleman, is rumored to be a demon king after defeating the advancing army of a neighboring country with demons. He is still busy developing his magic.... But that was not to be! He has a hard time making alliances with other countries, from dealing with a rude prince to meeting with an archbishop who has his own peculiarities. Still, in between his busy schedule, he never forgets to use the excuse of national defense to build the ( sea ) and use his magic. As soon as he settles down, Liam is once again on the path of development! He is overflowing with ideas for magic that absorbs the magic of his friends, magic that stops time, and so on. However, a calamity beyond human understanding interrupts his progress. From the attack of a new divine dragon to the deciphering of ancient magic given to him by his master, his curiosity is troublesome, but it doesn't stop him from being curious! Open the door to a new world yet to be seen! The fourth installment of the freewheeling magical fantasy by the most powerful aristocrat!

魔物たちと共に隣国の進軍を退け、魔王と噂される貴族リアム。当の本人は気にも留めず相変わらず魔法の開発三昧...と、いく訳もなかった!無礼な王子の対応に一癖ある大司教との会合まで各国との同盟を結ぶのにひと苦労。それでも忙しい合間に、国防を口実に「海」づくりと魔法の行使は忘れない。落ち着いた途端に、再びリアムは開発の道を突き進む!仲間の魔力を吸収する魔法に、時間を止める魔法とアイデアが底なしに溢れていく。だが、水を差すように人智を超える災難が舞い込んで―。新しい神竜の襲撃から師匠に貰った古代魔法の解読まで、面倒だけど好奇心も止まらない!?まだ見ぬ新世界への扉を開け!最強貴族による自由気ままな魔法ファンタジー第4弾!