Hime ga Taisetsu Sugiru Chou Katabutsu Kishi no Risei ga, Biyaku de Kekkai Shimashita.New姫が大切過ぎる超堅物騎士の理性が、媚薬で決壊しました。; The Overly Serious Knight Who Cares Too Much for the Princess Lost His Reason to an Aphrodisiac

In the Kingdom of Alterra, Princess Liina is hopelessly in love with her devoted personal knight, Noah. Day after day she openly expresses her feelings for him, but the earnest, strait-laced Noah never seems to notice. He remains the perfect knightloyal, serious, and utterly focused on his duty to protect her. One day during a festival, Liina receives a mysterious "secret elixir that draws out one's instincts" from a strange fortune teller. Wanting to know how Noah truly feels about her, she honestly asks him to drink it. Convinced it must be a fake, Noah swallows the potionand the love and desire he had suppressed with his reason suddenly run wild, and he pushes Liina down before him. Frightened by the strength of the transformed Noah, Liina finds herself caught by the waist and unable to escape. His hot breath and overflowing instinct and reason from behindis it because of the elixir? Or is it something else entirely?