From StarryHeaven:
A girl who was raised in Africa, Kazami Seren can read people’s and animal’s feelings, and with a weak heart she is able to possess strange abilities. However, she had to return to her home country, Japan, where she meets Nakatsukasa Sei and Mashiba Keiya, whom she is not able to read. It is at that time in Japan, there has been a surge of elementary school students committing suicide. Seren begins attending the same middle school as her cousin Saki and becomes the president of the Mystery Research Society, where she hears about a person named “Red Eyes.” It seems that the recent incidents and suicide are all connected to this Red Eyes. Red Eyes’ friends multiply by the day, and even becomes friends with Saki. Seren and Keiya are sure that they’ve found the cause, but…!?