Shenfa Zwitoque is a noble student at St. Friedeswiede Academy for Girls within Flandore's Cardinal Academy District. Peers describe her as very beautiful, possessing bone orange hair and keppel green or william green eyes. She wears the standard academy uniform and is also seen in a pale yellow nightgown paired with a thin white coat.

Prior to the main events, Shenfa was crowned queen of the Luna Lumiere Selection Tournament. Born into an aristocratic family, her arranged marriage to another noble heir shapes her protective mentorship of junior student Melida Angel. During the Luna Lumiere Exam, Shenfa initially assists Melida but later sabotages her performance in the second and third rounds upon learning Melida lacks Paladin status. This sabotage stems from Shenfa's desire to shield Melida from noble backlash, reflecting her concern about the rigid class system.

Shenfa respects Kufa Vampir as Melida's tutor, entrusting Melida's well-being to him and calling Melida her "little princess." However, she fundamentally opposes Kufa's goal of elevating Melida's public status, believing it would endanger Melida due to her non-noble mana class.

Her relationship with William Gin develops after he rescues her group during the Vibrant Goat exam. Shenfa expresses gratitude without prejudice toward his identity as a lancanthrope, addressing him as "Bandage knight" and showing signs of attraction. Their connection is later hinted to involve her fiancé. Shenfa maintains close childhood friendships with Christa Chanson, St. Friedeswiede's Student Council President, and Neige Tormenta, Head Officer of St. d'Autriche Academy. Her known equipment includes a fence.