Once the bond between two characters has reached a certain level, you can enjoy special conversations with them. (perfectly-nintendo.com)
This week we added in an additional ghost ability that allows you to make hidden presents pop out of bushes by «ooooohhhing» near a bush or tree, and special conversations between ghosts and players. (gonintendo.com)
Special Features Japanese and English audio tracks for the main feature NTV Special: Creating Mary and The Witch's Flower A Special Conversation: Sekai No Owari, Hiromasa Yonebayashi, and Yoshiaki Nishimura Film Completion Press Conference Theatrical Promotional Movie Interview with the Filmmakers Trailers TV Spots (rogerebert.com)