A butler is discussing with a lady about a girl named Suzune, who is described as a "crazy psycho". The lady is worried that Suzune will arrive in three days and cause trouble. When Suzune arrives, she is shown to be eccentric and attention-seeking. She reveals that she has a fiancé, but does not want to marry him because he is not suited to her. Suzune's fiancé arrives, and Suzune tells him that she does not want to marry him. The butler then reveals that he has feelings for Suzune and proposes to her, which she accepts. The fiancé is left heartbroken, but Suzune is happy with her decision.
Here are the key facts extracted from the text:
1. Suzune is visiting her sister Sumire at the mansion.
2. Suzune has a pet Cerberus.
3. Suzune is engaged to be married, but she doesn't want to get married.
4. The wedding is scheduled to take place in one week.
5. Suzune's fiancé is a man who seems to be very fond of her.
6. Suzune's sister Sumire is not present, but her butler is taking care of Suzune.
7. The butler is somehow involved in Suzune's plans to avoid the marriage.
8. Suzune's fiancé arrives at the mansion and expresses his feelings for Suzune.
9. Suzune's fiancé is willing to give up the marriage if Suzune doesn't want it.
10. The butler and Sumire's fiancé have a conversation about Suzune and the upcoming wedding.
11. The butler suggests that Suzune's fiancé should try to win her heart back.
12. Suzune's fiancé confesses his love for Suzune and tries to convince her to marry him.
13. Suzune's fiancé and the butler have a confrontation about Suzune's feelings.
14. Suzune's fiancé ultimately decides to give up the marriage and leaves the mansion.
15. The butler and Suzune's sister Sumire discuss the events that transpired.
16. Suzune's fiancé is seen leaving the mansion, and Suzune is left to ponder her feelings.