The starting of Tsukishima Kei life like the moon phase 

new moon - Tsukkishima Kei’s born

waning gibbous - Child!Kei and his brother,Akiteru

third quarter - kid!Kei meet Yamaguchi

waning crescent

 - Kei and Yamaguchi are friend

-Kei had been proud when his brother get to enter Karasuno and play volleyball

new moon - The truth unravel as Kei’s discover about his brother’s lie.

waxing crescent - Kei’s in high school joined tha Karasuno’s volleyball club and meet some new people 

first quarter 

- Practice match with Nekoma and Fukurodani and learned some useful thing

”Volleyball is just a club,”-Kei

“But once that moment arrives for you,that’s the moment you’ll be hooked on volleyball,”-Bokuto

waxing gibbous 

- Before the Spring High-Miyagi Prefecture Representative Playoffs,Akiteru gave Kei’s a sport glasses

-Yamaguchi improved into a better Pinch Server 

Full moon - Kei block Ushijima spike 

“I’ve been waiting for this,”-Kei

“But once that moment arrives for you,that’s the moment you’ll be hooked on volleyball,”

The full moon rises