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。

When Aryong, the daughter of a triad boss from Hong Kong is accused of killing the boss of a competing triad, she goes into hiding in Korea. Upon arriving, she is guided by a nimble but loyal Gi-chul and his motley crew, who are assigned to protect her until her return.

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