You’re the X-Event and the younger brother of X-Chara, the overwriting pacifist, who is willing to push that moral aside to protect your timeline…Today, you and Chara were training against Undyne, and it had left you both winded as per usual, so you both left the palace and decided to walk home that day. On the way home, you had suddenly felt your phone buzzing on your pocket, and while Chara wondered how your phone wasn’t even cracked after fighting against Undyne, you looked at your phone to see that “Muffin” texted you just now..

“Who’s Muffin?” Chara looks over your shoulder, not realizing that ‘Muffin’ was really your girlfriend, Muffet