A Love-Distrusting Noble Lady Doesn't Notice the Cold Knight's Devotion

Renai Fushinna Reijou wa Reikoku Kishi-sama no Dekiai ni Kizukanai / One day, Countess Rosalie witnesses her lover, Hayden, cheating on her. Heartbroken, Rosalie becomes timid about love. However, she is then proposed to by the dashing future Marquis, Rufus!? A school romance story between a love-challenged young lady and a notoriously cold knight!