背中合わせの告白 ことり is a Weiß Schwarz card from D.C. Re:tune ～ダ・カーポ～ リチューン DC/W128-031. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this is placed on stage from hand, you may draw 1 card. If you do, discard 1 card. 【AUTO】 {CX Combo} [Return this to hand] During your CX Phase, when "Songstress at the Wedding Ceremony" (043) is placed in your CX Area, and you have 4 or more other 《Anniversary》, 《Magic》 or 《Music》 characters, you may pay cost. If you do, choose up to 1 {3/2 Kotori & Junichi - 028} from your hand, place it on stage in this card's former slot.
This card was printed in Japanese only; the English text above is an unofficial community translation.