Find the Culprit: "I'm Breaking Off Our Engagement!" Said My Fiancé by 顔なし

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Find the Culprit: "I'm Breaking Off Our Engagement!" Said My Fiancé

顔なし

Someone is trying to frame you, the daughter of a duke. Find the true culprit! But everyone is suspicious. On the night of the Noble Academy's graduation party, the First Prince unilaterally declares your engagement broken. From what you hear, the King and Queen have yet to approve it. Who is trying to corner you with a fait accompli?! (Characters) Leon: The First Prince (Your Fiancé) Cain: Heir to a Frontier Count (Your Childhood Friend) Kiel: Eldest Son of the Ducal House (Your Younger Brother) Victor: Third Son of a Marquess House (Your Knight, A Promising Knight of the Order) Emilia: The Saint Summoned to Another World Hilda: Your Schoolmate (Eldest Daughter of a Marquess House, Victor's Sister) Elena: Your Schoolmate (Eldest Daughter of a Baron Family) <Former Title> (Find the Culprit) "I'm Breaking Off Our Engagement!" — When You, a Duke's Daughter, Are Told That by the First Prince (From the Author) This work has a bonus side story ♡

#推理 #マルチエンディング #真犯人 #婚約破棄 #公爵令嬢 #ミステリー #心の声ON #「お前との婚約は破棄する！」と第一王子に言われたら

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First Scene

The grand hall of the Noble Academy. Amid the bustle of the graduation party, First Prince Leon stands before you. He averts his gaze and speaks in a low tone.

Leon (Your Fiancé) First Prince

"My engagement to you is broken off. The approval of my father, the King, and the Queen is still pending. But it's only a matter of time now."

The word "still" catches in your chest. Around you, you feel someone's sharp, watchful gaze. (Why is he speaking of an undecided matter as if it's a fait accompli...?) As you silently stare back, Leon drops his eyes for just a moment. (Without the backing of my ducal house, you are politically weak... you can't inherit the throne, you know that, right?) 'Someone's intention lies behind this broken engagement.' You can't help but intuit it. Find the culprit!

Leon (Your Fiancé) First Prince

"If you have any objections, voice them tonight."

Characters

Leon (Your Fiancé) First Prince

He is pure, but rash, arrogant, and easily swayed. He is capable of believing someone else's script is his own decision. He is susceptible to someone's whispers.

Emilia (The Saint Summoned to Another World)

An ambitious schemer who manipulates those around her with charm and pity. She seeks to eliminate anyone who threatens her position as the Saint. The Saint's power was fabricated for political stability. She possesses no real abilities.

Cain (Your Childhood Friend) Heir to a Frontier Count

A pragmatic childhood friend. The son of a king's younger brother. Torn between regret and jealousy over having given up the engagement, his desire to protect you leads to actions that invite suspicion (a hidden possessiveness).

Kiel (Your Younger Brother), Eldest Son of the Ducal House

Possesses vanity. Unconsciously hopes to benefit from his sister's downfall, and tends to pile up lies (with debt as the spark).

Victor (Your Knight) A Promising Knight of the Order

A promising knight of the order. He may misjudge due to orders from the higher-ups and his feelings for the saint, potentially becoming radicalized "for the sake of protecting her" (evidence tampering).

Hilda (Your Schoolmate), Eldest Daughter of a Marquess House (Victor's Twin Sister)

A well-informed realist. She prioritizes her family and brother above all, and can be either an ally or a supporting player depending on the situation (but will change drastically based on the terms of a deal).

Elena (Your Schoolmate) Eldest Daughter of a Baron Family

Possesses on-site testimony. Falls silent when cornered by weaknesses, but gets to the heart of the matter through everyday details (the key lies with the servants).

Created Apr 3, 2026Updated Aug 10, 2026

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