Ter Stegen and Claudio Bravo never shrouded their dissatisfactions about not being Barca's undisputed No 1, the pair having been distributed container and League coordinates individually, yet Cillessen demands there will be no such hesitations on his part.
"I've felt exceptionally well since I arrived," said the previous Ajax goalkeeper.
"Everybody has invited me and the fans are with me.
"I've come here to work and attempt to make it troublesome for the Coach, yet I'm not the adversary of Ter Stegen or different goalkeepers, we're companions.
"I know it'll be hard to play on the grounds that there's awesome rivalry.
"[Ter Stegen's] an extraordinary goalkeeper, extremely capable and has numerous qualities.
"I'd like to be at his level and I trust we get along. We can talk in English or German, and I'm certain we'll have a decent time."