milky's manga / #sad(2)

- assassins [ students ] - the students have to kill their teacher before graduation - the teacher's an alien - their other teachers are assassins

- abt a boy being jealous of his younger bro - mc [ 6th grade ] , younger bro [ toddler? ] - lots of drama - their mom died so they only have their father - father works frequently so mc has to take care of his younger bro - younger bro gets hit by a car near the end