Sakurazaka46 13th Single "Unhappy birthday" Structure 《@Loppi・HMV Limited Edition 5-Type Set with Photo》 ■TYPE-A 1: Yu Murai 2: Hono Tamura, Rina Matsuda 3: Konomi Asai, Haruka Katsumata, Momomi Yamada ■TYPE-B 1: Riko Endo, Tsuki Yamashita 2: Marino Kousaka, Hikaru Morita 3: Hikari Endo, Kira Masumoto ■TYPE-C 1: Rena Moriya, Sumire Mukai 2: Nagisa Kojima, Yuzuki Nakajima 3: Hina Inakuma, Aio Sato, Chihiro Nakagawa ■TYPE-D 1: Rei Ozono, Karin Fujiyoshi 2: Akiho Onuma, Aiki Taniguchi 3: Yui Takemoto, Rika Ishimori, Rena Odakura ■Regular Edition 1: Ten Yamasaki, Mio Matono 2: Rina Inoue, Miu Murayama 3: Kazuko Matsumoto, Harui Meguro, Ui Yamakawa