(Splendid) Festive Unifier Siblings

Lore
"Hello! Congratulations, Hero! ...Sorry, did I surprise you? I might have been too ecstatic..." "But it's just not right if we don't get excited, okay?) (Thanks for all the fun on this long journey! Keep praying for the everlasting fortune of Neotellus! Now, let's go celebrate! Happy New Year!"

Acquisition
Added on December 31, 2018 for the Monthly Login Promo.

Name origin
?

Additional Info

 * First stage of a 3-stage evolution.
 * Artwork by Kisuny.
 * Renewed Version of Festive Unifier Siblings.