Kokoro Connect (ココロコネクト Kokoro Konekuto, lit., "Hearts Connect") is a Japanese light novel series written by Sadanatsu Anda, with illustrations by Shiromizakana. <...>

The story involves five high school students—Taichi, Iori, Himeko, Yoshifumi, and Yui—who are all members of the Student Cultural Research Club. One day, they begin experiencing a phenomenon in which they randomly swap bodies amongst themselves. As these five friends face many different phenomena at the whims of a mysterious being known as "Heartseed", their friendship is put to the ultimate test.