ア「あら…どうしたの？入らないの？魔理沙」
魔「え…あ…いや…」
パ「………。まだ貴女子供だし、気にすることはないのよ」

魔理沙の回想。
紅魔館におっきな浴場があったら良いなという願望。 三魔女には仲睦まじく当然のように一緒に入って欲しい。
パッチェさんの本と上海のリボンは防水加工済。
あと二人のヘアはかなり薄めで。うっすらで。その方が興奮するので。

霊夢に詰め寄られた post #1697700

A: "Hmm...what's wrong? Aren't you coming in, Marisa?"
M: "W-well... Umm..."
P: "...... You're still just a child, so you've nothing to worry about."

A recollection of Marisa's.
"It'd sure be nice if I had a big bath like the SDM's," she wishes. She wants the three of them, all magicians, to bathe intimately together as if it was a natural thing to do.
Patchy's books and Shanghai's ribbon have been waterproofed.
Also, the other two's hair is rather sparse. Indeed, faint. So that turns her on.

Reimu is pressed for an answer: post #1697700