For LostWord at least the quality is extremely high there compared to available elsewhere and without text to boot. Compare this post with post #5086946 (From LW's official twitter) or post #5752562 (from gamepress which has nuked all it's LW content so is no longer useable anyways)
Last strip the little doodle showed dad having big pompadour, when in reality his pompadour is normal-sized, and that was in May. Now it's August and his hair is pretty much gone.
It's interesting they chose to give South Korea double eyelids and Japan monolids. I could be wrong but i think Japan actually has a higher occurrence double eyelids than Korea has. Either way a neat detail.
That is Vritra's tail in Riyo's art style, but the shoulder spikes are new.
perhaps these spikes are actually her horns, and Vritra's head is the hooded figure's upper torso (chest & shoulders) note how the hooded figure's speech bubbles always come from the torso and not the (fake) masked head
