FYI, that's Reimyu, and she's the daughter of that Reimu.
[Mister Steam Bun]
(--Yu? It's Mister Dark Dark around here?)
"Yuyu-n. Cute Reimu has woken up easy!"
(Mommwie's voice? Reimyu ish here!)
"Good morning Mister! Reimu's tummy is empty-empty!"
(Why can'ch Reimyu speak!?)
"Yuyu? You've brought Reimu Mister Manjuu? Thank you, Mister!"
(Mishter Manjuu! Reimyu wanna each choo! Give id to Reimyu!)
"Reimu's super munch-munch time, starts now--!"
(R-Reimyu somehow feels scared! Momm--)
"Munch-munch"
(Yugiyaaaaah! Reimyu'sh chubby-chubby Mister Cheeeeeks!)
"Nom! Nom! Yummy! This is so good!"
(Higiii! Mommwie! Stop! Igiiii!)
"That being said... Reimu's little one, where has she gone...?"