Yozora no Sumikko de,

Synopsis

Hoshino has fulled his dream and has become a teacher. One day, he encounters his old friend Sudou in the front of the school after 11 years. Suddenly Sudou collapses and Hoshino takes him to the school's infirmary. Hoshino is stunned when it shows up that Sudou seems to be the father of a boy named Shouta from his class!