Also known as: 虹ヶ咲学園彼シャツ同好会, 虹ヶ咲学園ドルフィンパンツ同好会
A set of Official Alternate Costumes for the cast of Love Live! Nijigasaki High School Idol Club, made for the promotion of the visual novel Tokimeki No Mirai Chizu.
It consists of an oversized white Collared Shirt (much like a Boyfriend'S Shirt) and color-coded Dolphin Shorts.