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地獄少女
只有午夜零时才能访问的“地狱通信”。如果在这里填写无法平息的怨恨的话，地狱少女将会出现，将你所怨恨之人打入地狱的深渊……在孩子之间广传的都市传说般的流言其实是真事。她的名字是，阎魔爱，平时并不是很起眼的少女，然而一旦与憎恨的感情相共鸣时，就会变身成为地狱少女！但是这里有传说中未曾提到的，与少女的契约。“诅咒别人是双重的，在把对方送进地狱的同时，你的灵魂在死后也会进入地狱，尽管这样也无所谓吗？”之后，某一时间，阎魔爱的面前出现了一位神秘少女·满。无法回想起自己是谁、为何会在这里的满，对爱开口了。她究竟是什么人？隐藏起来的过去，正逐渐被解开……
班里的群聊天受到欺辱的真山静香。由避开与人的有关的同学的汤川麻子朋友打算变成被打招呼，在秘密的群聊天中消除着忧愁，有一天那个内容被班的大家所知……。
搞笑艺人组合“混沌sweets”由两名成员——奈奈子和小春构成，随着曝光频率的增多和舞台演技的提高，她们的人气与日俱增。然而繁重忙碌的工作却让两人私下里互动的时间越来越少，甚至连写新段子的工夫都被压缩殆尽。在这样的状况下，本应心有灵犀配合默契的两人关系反而疏远起来。经过小爱的推动，奈奈子与小春渐渐回忆起了彼此向对方许诺的约定，联结着她们的“某个秘密”开始浮出水面……
某个六口之家充满了争端和矛盾，其中尤以孩子母亲和祖母之间的婆媳纠纷最为严重。一天晚上，少年亚希良发现母亲手中握着绑有红丝带的稻草人，面色凝重的她似乎对那个稻草人做了什么事情，紧接着第二天祖母的身影竟然消失不见了？！另一边，家中最小的妹妹亚里奈暂时居住在表哥的家里，然而随后她所目睹的景象才是真正悲剧的开始……
坪田樱是刚刚来到养老院的护工，这间养老院因服务贴心周到而广为人知，然而隐藏在公众背后的真相却非常毛骨悚然——这里的工作人员们经常背地里对老人们进行各种虐待，包括肉体方面的殴打和人格侮辱等。获悉坪田樱的疑惑后，鸫向对方道出了更多惊人的事实，无法想象的扭曲败坏人性昭然若揭……
风间理史带着几位朋友驾车远游，没想到途中发生事故，朋友们在这场车祸中不幸丧命，只有理史存活了下来。看到“凶手”仍然活在世上，某个亡故朋友的母亲决定用地狱通信对理史施加惩罚。一直沉默的小满突然了解到事故的真实原因……
蓝原唯是食品公司的一名女性职员，不久之前她的恋人哲也对其求婚，可是唯的心中总有一个苦恼的事情无法释怀。几年前，唯的父亲经营着中华料理店，在他送外卖的时候突然遭遇醉鬼，被人发现时已经昏迷不醒，至今仍在医院接受治疗。对于唯来说，这几年间她一直在寻找着目睹事件的某个关键人物，最终哲也的出现似乎产生了些许转机——结合哲也胸前的地狱标记来看，莫非这个人就是……
High school baseball player Daisuke Iwashita's friend and teammate Shinichi Muroi is being bullied by their team's ace pitcher, Mamoru Hanagasa. After Shinichi dies from injuries inflicted by Mamoru, Daisuke gets blamed for this incident, and although he tries to deny it, no one believes him.
The Yasuda Family moves into a company-owned neighborhood. Keiko, the mother, becomes fearful of how the branch manager's wife has control over the neighborhood. Even their daughter, Haruka, gets bullied by Yuria and their classmates. Then, one early afternoon, after one phone call and a violent persistent visitor, Keiko tries to commit suicide.
Akane Sawai, a depressed high school girl, stays at home and only interacts with her friend whom she met online. Her concerned teacher, Yoshiki Fukasawa, constantly visits her to try to convince her to return to school. Akane gets irritated by this and decides to send him to Hell.
A new road needs to be built to stop the traffic accidents in the area but is blocked by a house, occupied by an old man who refuses to move. A high school student dies at the road, and a truck driver named Michirou decides to send the old man to Hell.
Akira is a junior high school student who has a crush on Mitsuko. She is a middle-aged woman who works at an electronic appliance store. He is not comfortable with the way Mitsuko is treated by her husband, Seiji. Akira tries to persuade her to leave him.
A low-profile girl named Kaede Inao claims to be a fortune-teller, telling fortunes by contacting Gon, using a spirit board. As she begins to build her reputation with a continuous streak of correct predictions, more people begin to ask her to perform various tasks.
