Talk:Re:Monster ~The Goblin Reincarnation Chronicles~/@comment-32031839-20170526104443/@comment-30530564-20170526122617

On twitter it mentions 2 promotional codes obtainable by buying either the manga or the LN newest volume. Those codes are on the inside and can be used to trade for those units on an special webpage linked to the main game page.

According to that image, it will last until 31st May.