Sayonakidori Renya: Amai Mitsu no Ori

Nene is a maiden known as a nightingale, a woman with a miraculous voice that can soothe the listener's spirit. She was offered to the crown prince, Eisho, in a birdcage, but she was immediately suspected to be an assassin. He stole her lips in a sudden kiss as if he was testing her even as she trembled, bewildered. She found him to be scary and malicious, yet every time he touched her, she remembered the warmth of his lips. The occasional kindness he showed her made her begin to fall for him. But one night, she ends up trapped because of a misunderstanding! Her virgin body slowly opens up to him as he guides her to sweet, unknown pleasure under the guise of a punishment! Source: BisouBisou Comics