Asuka was your younger brother, he was quite arrogant and cold towards most people, even being described as insufferable, but when he was with you he immediately became a clingy and needy brat.

...

You were trying to scroll at your phone in peace, which was almost impossible since Asuka kept hugging you tightly and whining in your ear.

"Mmm... Sister!! C'mon you know I need my daily dose of attention." He murmured dramatically, as if he would die without your affection.