在世界范围内拥有压倒性人气的电竞项目“Dark Machine”让人们为之狂热，甚至改变了日本的经济体系。 日本唯一被指定为“Dark Machine”经济特区的城市——黄金谷。 君临其顶点的，是继承了“Dark Machine”最强玩家称号“千鬼”、第七代“千鬼”阿吉玛。 阿吉玛通过“Dark Machine”成为了黄金谷的实际统治者。 主人公海里将亡故祖父的遗言“去找千鬼”铭记于心来到了黄金谷，偶然遇到了正被阿吉玛手下“阿流堕美瑠”追捕的少女鲁朵拉。 海里被卷入其中，成为了“Dark Machine”的玩家，在经历了数次激战后，他的才能逐渐绽放。 海里能否与“千鬼”对峙，并开辟自己的命运——以“Dark Machine”顶点为目标，海里的战斗现在开始。

The Sky Pirate Fam and Millia (the princess who Fam rescued as her Turan Kingdom faced devastation) wage a battle against the Ades Federation that reduced Turan to ashes, and aim to establish a revived Turan Kingdom.

Living by the sea, protecting the sea, and journeying across the sea…They’re the BLUE MERMAIDS! Because of a shift in tectonic plates around 100 years ago, Japan lost much of its area to submergence. To preserve Japan’s territories, Coastal Cities sprung up, one after the other. Eventually, they became Marine Cities, and along with the expansion of sea-lanes to connect them, the need arose for a sizable staff to protect the seas. At the same time, maritime jobs were becoming more popular among women. Hence, the BLUE MERMAIDS had become every female student’s dream job.

Following Oorai's victory over Saunders, the school's next opponent is Anzio. This is an OVA which covers the battle of Oorai versus Anzio, which was not fully shown in the regular anime series.

1943年 欧洲战场局势神秘莫测，卡特兰的异形军横行霸道，不可一世，令世界笼罩在恐怖与死亡的阴影中。关键时刻，一群少女挺身而出，与邪魔军团展开殊死较量。这些少女被称为“魔法少女（Witch）”，自远古时代她们便冲锋陷阵，凭借深藏体内的魔力与各种威胁人类存在的怪兽展开搏斗。在魔法少女组成的机械化航空步兵的阻击下，异形军最终败退，而这群女孩也功成身退，散落世界各地。美丽少女宫藤芳佳（福圆美里 配音）即是其中的一员，战后她返回故乡扶桑皇国，以成为优秀的医师作为奋斗目标。这一天，扶桑皇国海军学校一号生服部静夏（内田彩 配音）前来拜访，邀请芳佳前往欧洲的威尼西亚公国留学。 身怀绝技的美丽魔法少女们从四面八方再次云集，欢乐玩笑之际，却不知贼心不死的异形军正悄悄逼近……

Violet Evergarden comes to a private women's academy to tutor Isabella in the ways of being a lady. Heir to the York family, Isabella feels trapped in this new and uncomfortable world. She still grieves for the only person to ever bring her happiness – now lost to her. Violet's lessons do give her a brief respite from the melancholy but with the absence of joy, how long does it take to truly heal?