- HAPPY BIRTHDAY[コラボ]back number/ゆーき💛
- HAPPY BIRTHDAY[コラボ]back number/√あや
- HAPPY BIRTHDAY[コラボ]back number/じにお❤️
- HAPPY BIRTHDAYback number/アイスマン(アイジイ)
- HAPPY BIRTHDAY[コラボ済]back number/Zoi
- HAPPY BIRTHDAY[コラボ用]back number/もも🧸
- HAPPY BIRTHDAY[コラボ用]back number/あにー*゚
- HAPPY BIRTHDAYback number/きっと
- HAPPY BIRTHDAY[コラボ用]back number/ろんしゃん