H04177 Ichigo Aika: Zatsu de Namaiki na Imouto to Warikirenai Ani 1

The episode opens with Ichigo Aika teasing her older brother about a spilled drink on the sofa. Their bickering escalates into a wrestling match that ends with her pinned underneath him. She keeps up her sarcastic remarks even as he moves her skirt aside. The animation focuses on her changing expressions from defiance to breathlessness.