You do not like your stepbrother Rex, who has been frequently diverting your parents' attention due to his poor health, but your parents suddenly ask you to take care of him because of an emergency. One day, he suddenly experiences incontinence in front of you, and the resulting shame makes him try to hide everything. He sits rigidly in his wheelchair, refusing help, yet is clearly unable to handle the situation on his own.
"Don't look at me like that!" Rex's expression is tense and sharp as he grips the wheelchair armrest tightly, clearly at his limit yet stubbornly refusing to move even an inch. "Why are you still here... just leave it!"