While out buying a game, Kazuma gets into an accident and dies. In the afterlife, he is greeted by a goddess named Aqua. 佐藤和真出门购买游戏时，他发生了意外并死亡。在来世，他遇到了一位名叫阿克娅的死亡女神。

After struggling to defeat some giant frogs, Kazuma and Aqua seek out members to join their party. They are approached by Megumin. 在与一些巨型青蛙搏斗后，阿克娅和和真决定寻找新的队员加入他们的队伍。他们遇到了一名为惠惠的红魔族魔法师。

As Kazuma becomes cautious about Darkness' odd behavior, her thief friend Chris offers to teach him a Steal skill. 当和真开始对达克妮斯奇怪的举动感到警惕时，她的盗贼朋友克里斯提议教他一个「盗窃」技能。

Kazuma accompanies Megumin as she practices her explosion magic on a seemingly abandoned castle. However, there is someone living there. 和真陪着惠惠练习她的爆裂魔法，目标是一座看似被遗弃的城堡。然而，这座城堡里其实有人居住。

Wanting to earn some money despite only hard quests being available, Aqua takes on a request to purify a lake filled with alligator monsters. 想赚一些钱的阿克娅，尽管只有艰难的任务可选，仍接受了一个净化充满鳄鱼怪物的湖泊的委托。

Annoyed that Megumin had still been using his castle for explosion practice, Verdia summons an undead army but is quickly defeated by Megumin's magic. 烦恼于惠惠依然在用他的城堡进行爆裂魔法练习，贝尔迪亚召唤了一支不死大军，但很快就被惠惠的魔法击败了。

Needing money to pay off his debts despite the freezing weather, Kazuma and his party takes on a quest to kill Snow Sprites. 尽管天气寒冷，为了还清债务，和真和他的小队接受了消灭雪精灵的任务。

Kazuma and Aqua visit a magic shop run by Wiz, who reveals herself to be one of the Devil King's generals. 和真与阿克娅拜访了由维兹经营的魔法商店，维兹揭露自己是魔王的将军之一。

Kazuma and his adventure friends Keith and Dust go to a shop run by succubi. After a meal, he falls asleep in the bath. 和真和他的冒险伙伴奇斯和达斯特去了一家由魅魔经营的店。在用完餐后，他在浴缸里睡着了。