「突然現れて なに言ってるんだ この人…」

＞明るく元気な妹 → Aルート pixiv #63644210 "»":[/posts?tags=pixiv:63644210]
＞清楚で大人しい妹 → Aルート pixiv #63644210 "»":[/posts?tags=pixiv:63644210]

"What's this person saying, just popping up out of nowhere...?"

The cheerful and energetic little sister → A route pixiv #63644210 "»":[/posts?tags=pixiv:63644210]
The proper and lady-like little sister → A route pixiv #63644210 "»":[/posts?tags=pixiv:63644210]