2 Guinevere's Deadly Mischief

While Lancelot tries a lot of plans cooked to protect himself from her sister. Guinevere in the other hand can provoke every single part as she is spying on him about every part of his plan. Guinevere is looking through the mirror as Lancelot never check the atmosphere of someone's presence or even senses of seeing anyone while focus on working his scheme called anti-mischief.

Guinevere copied every single thing that can possible interfered using her pen with a mark brand of 'Cortola'. And notebook with the same brand name. Guinevere rushed in and swoop out of the scene. As Lancelot heard running steps he suddenly scrambled his scheme of countering her plans, which is ironically good for him. What would Lancelot's scheme be renewed as now he tries to build himself a little Fort to protect him from his sister. What would be next