Developer Gamepub has just opened pre-registrations for Merge Girls: Idle RPG, its upcoming game for the Android and iOS platforms. As hinted in the name, this is an idle RPG, where it pretty much plays itself.

A description for Merge Girls: Idle RPG via its store page:

The longer you play, the more you will want!
Feel the joy of infinite merge! JUST MERGE IT!!

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AFK Complete Idle RPG 「Merge Girls」

Organize your investigation team with girls of unique abilities
and restore peace in the Kingdom of Altrion!

The Kingdom of Altrion is under threat of monsters from mysterious portals!
Go on adventures with a team of charming girls to restore peace in the kingdom!

[Official Community]
https://www.facebook.com/GPmergegirls
# Visit our official community to find out event information and get coupon benefits!

★ The longer you play, the more you will want! Endless merge-summon system!!!
Merge the Soulstones to summon your own girl!

★ Grow together with the level-sharing system!!!
Share the girls’ levels through this convenient system!
Try various combinations to your heart’s content!

★ Diverse stories and easy growth!!!
No complex growth system!
Develop your girls through auto-growth and simple system!

★ Auto battle system!!!
No need for complex controls! Fight automatically now!
Watch the fancy skills of the girls on the side, too!

★ Cute and charming SD characters!!!
Feel the lively battle of charming SD characters!