"Meicoomon (In-Training)"

"Meicoomon (In-Training)" is an unnamed In-Training level Digimon.

Etymologies
No name available for this Digimon.

Development
This unnamed Digimon's first appearance was in the  smartphone service Shabette Concier as part of a promotional campaign for Digimon Adventure tri.. In this campaign and service, it was referred to only as the Mysterious Digimon (Baby) (ナゾのデジモン（幼年期）)); although Meicoomon itself does not appear in the campaign at all, the URL to install "Meicoomon (Rookie)" in Shabette Concier states this Digimon is Meicoomon's In-Training form.

In this campaign, users of Shabette Concier could download a free "Mysterious " virtual assistant, which hatched and digivolved as time passed. The Digi-Egg hatched into this Digimon at some time between October 6 and November 10, 2015, and digivolved into its Rookie form between then and March 6, 2016.

Digimon Ghost Game
This Digimon is one of the many In-Training Digimon that attended 's lesson about humans.