故事的舞台设定在虚构的日本都市、建立在开拓之地、城市人口锐减的洲笼市。住在那里的高中生阿形胜平，不知为何拥有了感知不到疼痛的身体。在暑假将至的某天，胜平通过谜之少女园崎 法子的指点，获悉自己已被选为了疼痛共享的系统“羁绊者”中的一员。园崎说过：“这是一个为了将充满纷争的世界，导向和平的实验。”于是，背负着彼此疼痛的少年少女们，开始了这个夏天的故事！
羁绊者 (季节 1)
Sometimes, a Bond Can Bloom from the First Day Eye Contact Is Made 7.5
播出日期: 2016-04-09
运行时间: 24 min
概述: Agata Katsuhira is a strange young man who doesn't feel pain. One day, he encounters a mysterious young woman named Sonozaki Noriko, who changes his life, as well as the lives of his classmates forever.
If You Can Swallow a Bizarre Situation Like This So Easily, Two Buckets of Barium Shouldn't Be a Problem 9.0
播出日期: 2016-04-16
运行时间: 24 min
概述: The kids are forced into doing self introductions... However, it appears that the self introductions that Sonozaki wants them to do requires much more than the usual name and what class they're in. They find out that every wrong answer has a penalty, and painfully learn that they are indeed connected to each other...
Depending on How You Look At It, I Think We Could Get Through Anything... Right? 10.0
播出日期: 2016-04-23
运行时间: 24 min
概述: The kids find out that there's actually one other Kiznaiver, and they go to find this mysterious figure.
Now That We're All Connected, Let's All Get to Know Each Other Better, 'Kay? 9.0
播出日期: 2016-04-30
运行时间: 24 min
概述: The kids get to know Hisomu and Sonozaki promises to let them know a secret about Kiznaivers if they agree to go to a summer training camp.
Wahoo! It's a Training Camp! Let's Step in Deer Poop and Have Pillow Fights! Go! Go! 9.0
播出日期: 2016-05-07
运行时间: 24 min
概述: The Kiznaivers get to their training camp and are faced with the summer favorite, the test of bravery. Meanwhile, Chidori runs off on her own and the others realize that they might be connected by other means than just their pain.
Nothing Good Comes From Being Around All Of You 9.0
播出日期: 2016-05-14
运行时间: 24 min
概述: Something from Honoka's past comes back to haunt her, and Nico makes another attempt at becoming her friend.
A Battle Touching Upon the Identity of the Pain that's Seven Times the Pain of One-Seventh of a Pain 10.0
播出日期: 2016-05-21
运行时间: 24 min
概述: The Kiznaivers find out the truth about Maki's past, and try to help her overcome it.
Happy Times Don't Tend to Last Very Long 10.0
播出日期: 2016-05-28
运行时间: 24 min
概述: The Kiznaivers get stuck in a building during a typhoon and some hidden feelings start to come to light.
It's All Over......I Think 10.0
播出日期: 2016-06-04
运行时间: 24 min
概述: The Kiznaivers start to hear each others thoughts, which makes things even more complicated. Meanwhile, a secret about Sonozaki and Katsuhira is revealed.
You Knew Very Well That Your Romantic Feelings Might Be Unrequited, Right? 10.0
播出日期: 2016-06-11
运行时间: 24 min
概述: The Kiznaivers all go their own ways. Meanwhile, Katsuhira finds out the truth about the Kizna Experiment and about Sonozaki's past.
We Have To Contact Each Other And Confirm Our Feelings. Because We're Friends! 10.0
播出日期: 2016-06-18
运行时间: 24 min
概述: Katsuhira finds out what happened to the friends from his childhood and Sonozaki is intent on making the Kizna Experiment successful no matter what.
If The Kizna System Spread Throughout The World 10.0
播出日期: 2016-06-25
运行时间: 24 min
概述: Noriko attempts suicide by jumping off a bridge while black Gomorin share her pain with the entire city, in an effort to unite its citizens.
季
集 12
集 1