Aru Hi, Mukuchi na Konyakusha no Kanjou ga Wakaru you ni narimashita

After an arranged marriage that she had expected to be rejected, the baron's daughter Arshe becomes engaged to Bernhard, the third son of the Countess of Estholm. While trying to somehow deepen her friendship with the extremely silent Bernhard, Arshe notices that the flowers on his chest are changing their appearance to match his thoughts - and she is not the only one. A pure love story begins, in which a phantom flower connects two people in love!