User blog comment:Xilinoc/Ch. 639 - BABY,HOLD YOUR HAND 2/@comment-26369387-20150822095859

...The kanji I posted matches the link I posted.

Here are translations for kanji 胎. As you can see, there's no other way to say 胎 then "tai".

So, from where exactly you thought it would be Makai, Xil?