Air's manga / #assasin(4)

On hold ch. 15

uke's adopted family was murdered by seme (without knowing until after the deed). seme realizes the child (the only surviviro of the assassination attempt) is the same boy who saved him (nursed his injuries) a year ago and decides to let him go as repayment for their previous meeting. The boy sad and angry that his adopted family is killed decides to get revenge and goes out to find the man he once saved a year ago to have him teach how to kill unknowingly that the murderer is the same person