Extra III. Laugh Happily

"Do you know the answer?" Lena inquired, frowning in disbelief.

"Of course. You're happy every time we have a party. And every time you get a good photo, you are happy too. Every time you see Ace laughing, you're also happy," Cayden answered smoothly.

"That's the problem. I'm happy almost all the time. I don't even know when I'm the happiest,” Lena grumbled while supporting her head with both hands.

Witnessing the servant’s desperation, Cayden furrowed his brows again. After a moment of silence, he said, "I know when you are the happiest."

"When?"

Without changing his expression, the toddler pointed his index finger at the playground. “You laugh the loudest when you play with Ace and me.”

A second later, Lena was stunned. After checking the memory, she let out a faint sigh. "That is true. I feel the most excited when I'm playing with you."

"Then, what's the second question?" the toddler who loved the puzzle inquired.

“What acc