There is an urban legend about a secret dungeon in LINK VRAINS. It's packed full with dangerous traps. And what waits at the other end is...
Help me fill out postcards to enter 
Blue Angel's handshake event-
du mir brav beim Ausfüllen der Postkarten
für das Meet & Greet mit Blue Angel hilfst …
¡Ayúdame a rellenar postales
para el evento de Blue Angel!
Me ajude a preencher os cartões postais para
o evento de aperto de mão da Blue Angel...