[original]
そして、もし家に帰ってきていても、私は寝てるから、気づかないんですよね…
[mangadex]
And when he's home, I'd be asleep anyway, so I wouldn't even notice...
[my suggestion]
And if she (Ako) comes back to (my, Yamashiro's) home, I couldn't even notice because I'd be asleep...
[original]
...まあそもそも宿輪くんのこと自体も覚えていないみたいだし...