Kuroko: Happy birthday. I’ll be a shadow to liven things up.
Kagami: Today’s your birthday, right? I’ll cook something for you.
Kise: Happy birthday! I made sure to remember it!
Midorima: Today is your birthday. Your lucky item is a pair of glasses.
Aomine: Eh, it’s your birthday? Happy birthday.
Murasakibara: Happy birthday. Call me when it’s time to eat cake.
Akashi: It’s your birthday… Happy birthday. I’ll allow you to celebrate it.
Hanamiya: I’ll let you celebrate your birthday for today.
Seirin: Ready, set… Happy birthday!
Kaijou: Let’s go, ready… Happy birthday!
Shuutoku: Ready… Happy birthday! … nanodayo.
Touou: Ready, set… (HAPPY BIRTHDAY) It’s all over the place…
Alex/Himuro/Kagami: One, two… Happy birthday!