Black Lab Logbook Root Divergence

"Do you really want to do research?" A book about a black lab and Kagerou part 2.

Kagerou somehow is surviving at the black lab at the naval base university.
Taking care of her juniors and exchange students who do not speak Japense...
She is then having to make a decision about her future.
Beginning from "I can't be bothered to decide," what future does she choose!?

Includes the second half of M1 and the entirety of M2. Other bonus material included too.