It falls into the category of "bakamanga" (idiot manga)—stories driven by ridiculous premises and over-the-top reactions rather than deep plot.
If you find a version where the brother finally appears, screenshot it. It might be the rarest image on the internet. uchi no otouto maji de dekain dakedo mi ni konai best
"You know, I really do love spending time with you, Taro," Natsumi said, her voice a little stronger now. "But I'm growing up, and things are changing. That doesn't mean I don't value our bond; it just means it's evolving." It falls into the category of "bakamanga" (idiot
You’re struggling with a heavy grocery bag. He says, "I got it," and lifts it with two fingers. You stare at his forearm. It is the size of your calf. Mi ni konai. " Natsumi said