The Raws are about 9 chapters ahead of this and to avoid major spoilers all I can confirm the egg hatches within the span of those chapters. In all likelihood with the current release speed we’ll see the egg hatch within the next two batches.
Spoiler . . . . . . . . . In the most recent chapter, the birdman prince is fully dressed and both Caius and Kouichi are doting on it like they’re his actual parents. It’s ridiculously sweet
The Raws are about 9 chapters ahead of this and to avoid major spoilers all I can confirm the egg hatches within the span of those chapters. In all likelihood with the current release speed we’ll see the egg hatch within the next two batches.