Last weekend at Anime Expo Lite 2021, leading game publisher&nbsp;Nexon&nbsp;revealed an exclusive trailer for the new free-to-play mobile RPG&nbsp;<b><i>KonoSuba: Fantastic Days</i></b>,<b>&nbsp;</b>announcing that pre-registration is live as of today! Fans interested in&nbsp;pre-registering can visit&nbsp;konosuba.nexon.com&nbsp;starting today.&nbsp;All players who pre-register early will be automatically entered into a giveaway, for a chance to win a collectible Pop Up Parade figurine of Megu