Smiley - Vol. 2 Ch. 11 - Found it.

[MangaDex]

 

[maxiusagi]

creepy

 

[Bloodseed]

I like this manga had given up on an update... thanks for the translation..

 

[rckvnka]

So this boy is...

 

[capricieux]

I wonder if there will be supernatural elements in the story later. How does one train a child to have such creepy smile. Maybe he's like some kind of antichrist?