To develop the character further, you could describe Aba's emotional reaction to the kittens. For instance:
"As Aba entered the room and found four kittens tumbling over each other with playful squeaks, a soft smile spread across her face, warming her heart. She had always loved animals, and the sight of the tiny creatures reminded her of the carefree days of her childhood. The sight of their fluffy fur and the way they curiously approached her, tails twitching, brought back memories of her late grandmother, who had nurtured her love for all things living. Aba knelt down, feeling a pang of longing as she reached out a hand, eager to feel their soft, purring bodies against her skin. In that moment, she realized that these kittens were not just animals; they were a small piece of joy she desperately needed."
This description reveals Aba's nurturing nature, her emotional depth, and her connection to her past, providing insight into her character.