Chapter 02, Her deskmate
Chapter 03 Friends
Chapter 04, a wave of unrest, a wave of rise again.
Chapter 05 The story of April
Chapter 06 Early summer
Chapter 07 Accidents
Chapter 08 The older you get, the more uneasy you get.
Chapter 09 Simplicity is over, but maturity is not full.
Chapter 10 Time is quiet.
Chapter 1 1 is on the way.
Chapter 12 summer has not yet arrived.