Twin sisters with disfiguring burn scars are ordered by their bedridden mother to kill their abusive father who caused their scars. They must decide whether to seek vengeance or find mercy.

High schooler Ichitaka Seto is in love with classmate Iori Yoshizuki, but is too shy to tell her. Again and again, he plans to tell her his true feelings, but each time something – usually a misunderstanding of some kind – gets in the way. Things complicate further when Itsuki Akiba – whom Ichitaka was friends with in their childhood before she moved to the United States – returns, her crush on him still intact.

拒绝走偶像路线的苇月伊织，开始追求成为一名演员的道路。儿时的好友秋叶季子则再次前往美国，立志成为雕塑家。濑户一贵夹在两人之间，怀着复杂的心情，独自开始了一段漫无目的的自行车旅行。这是三个人在各自追梦的夏天中，发生的另一段《I"s》故事。

High schooler Ichitaka Seto is in love with classmate Iori Yoshizuki, but is too shy to tell her. Again and again, he plans to tell her his true feelings, but each time something – usually a misunderstanding of some kind – gets in the way. Things complicate further when Itsuki Akiba – whom Ichitaka was friends with in their childhood before she moved to the United States – returns, her crush on him still intact.

原作とは全く異なるオリジナルストーリー。本職の声優による通常音声の他、DVDのマルチ音声機能を生かしたアイドルによる副音声も収録。制作はぴえろ。

An interview with composer Erik Ekstrand about Hanging Heart (1989)

美丽端庄的伊织（伊藤静 配音）是学校里的风云人物，甚至有狂热的粉丝在学校里专门为她组织了“后援会”。这样的伊织自然也吸引了一贵（野村胜人 配音）的注意，但一贵自知平凡无奇，选择了将感情深深地埋藏在心底。 　　一起意外的发生令伊织陷入了困境，所幸得到了一贵和其好友寺谷（小伏伸之 配音）出手相助，才得以平安度过难关，伊织和一贵之间的关系也因此迎来了新的局面。就在两人距离越来越近之时，一贵久违的青梅竹马逸姬（中世明日香 配音）横插一足，对一贵发起了热烈的进攻，伊织因此误会了一贵真正的心意，在悲伤之中，她决心成全一贵和逸姬。

Seto Ichitaka has a crush on Yoshizuki Iori, a girl in his class who has become so popular she now has her own fan club at school. But only a miracle could make him be with her, since the day he first saw Iori-chan, Ichitaka has been too shy to even talk to her. This miracle happened and now he and Iori are working together on the Freshmen Welcoming Party. It seems that things start to look bright for Seto, but then a special childhood friend is coming for a visit...

In rural South Carolina, a God-fearing family with a flirtatious sixteen-year-old daughter invites a mysterious man to their home.