Touhou - Watashi wo Hitori ni Sasete Kure! (Doujinshi) - Oneshot

[MangaDex]

 

[BakedBanana]

"This was your dolls' doing, wasn't it."
"Ding ding!" (Page 26)

You can actually see Alice with her doll on page 4 doing the shh pose, I guess this is when it started, nice hint.