Mystari's manga / #Teacher's Son(1)

1,5-6 - Keita gets injured while saving his friend Iku from being hit by a truck. After that neither of the boys ever play baseball again, until... 2 - Suga finds out that his classmate, honor student Fujishiro, is dating a teacher at school. He agrees to keep quiet about it after Fujishiro bribes him with money. 3-4 - Kuwahara rescues Akira, who passed out in front of his house, only to find out that he is the son of his beloved teacher. But he soon finds out sensei has passed away