Description: "Today, I’ll confess to Kou-chan!"A voice suddenly heard by Kouta Nitake, a high school boy who is not particularly popular. It was the voice of Ayano Yumemigasaki, a childhood friend who always has a bad attitude towards him.Kouta didn’t know that Ayano fell in love with him. <I>"I really wanted Kou-chan to talk to me..."</I>Kouta begins to be aware of Ayano’s unrequited love. However, an unexpected side effect of “voice of the heart” appears……! ??