史上最年少大神官・セイクリッドの栄誉ある赴任先、そこは魔王城前に建つ“最後の教会”だった。勇者がたどりつくまで、この辺鄙な場所で平和に過ごすために必要なのは――魔王軍とのご近所付き合い！
大神官ゆえの説法で門番を屈服させ、怒鳴り込んできた魔王ステラも光の撲殺剣で懐柔に成功！
平和な日常を手に入れたと思いきや、なぜか魔王はかわいい妹とともに教会に入り浸るように――!?
魔王にも勇者にも頼られる最凶聖職者の最前線スローライフ、開幕！
After the Hero’s birth, Sacred, the youngest priest of the church is sent to take care of an abandoned chapel right across the Demon King’s Castle, for it to serve as a resting place in his quest. Thus, begins the relationship between a priest and the Demon Lord. Was the person with the right ability sent to the chapel or will their encounter bring forth chaos to the nation?
