Innkeeper's child
Mom says that sleeping can recover your health above your maximum HP.
... what's maximum HP?Innkeeper's child
The innkeeper's child is a minor character in Undertale. They reside behind Snowed Inn's counter.
The innkeeper's child is a small white lapine monster. Their full body is obscured behind the counter, leaving the top of their head visible. They are part of the inn's background image rather than being their own separate sprite.
The innkeeper's child is naïve, expressing confusion on subjects such as their mother's explanations and expressing reluctance to return to the surface.
The innkeeper's child questions what their mom means about how sleeping can recover one's health above the maximum HP.
During the True Pacifist Route epilogue, the innkeeper's child complains about not wanting to move to the surface world, as they do not see the appeal of it.
During the Genocide Route, a decoy of the innkeeper's child is left in the same spot where the child normally is.
In Deltarune, the innkeeper's child makes an appearance in one of the windows in Hometown's apartment complex.