You're referring to a Japanese phrase: "Uchi no otouto maji de dekain dakedo mi ni kona install"
The phrase " Uchi no Otouto Maji de Dekain Dakedo Mi ni Konai? uchi no otouto maji de dekain dakedo mi ni kona install
The main cast includes Nao (the brother), Chiaki (the sister), and her two friends, Nagisa and Yukiko. Is there a Game to Install? You're referring to a Japanese phrase: "Uchi no
A second user, either trolling or mishearing, responded: Chiaki (the sister)
" (Japanese: うちの弟マジでデカいんだけど見に来ない？), refers to a specific adult-themed Japanese animation (hentai) released around April 2021.