《 Today, I'll confess to Ko-chan! 》 A voice suddenly heard by Kota Nitake, a high school boy who is not particularly popular. It was the voice of Ayano Yumemigasaki, a childhood friend who always has an attitude that doesn't look like him! Kota didn't know that Ayano fell in love with him.《 I really wanted Ko-chan to talk to me … 》 Kota begins to be aware of Ayano's unrequited love. However, an unexpected side effect of “voice of the heart” ……! ??