Cannibalism

younger brother (cannibal; only blood drinking) & older brother

smut: ch1-2, 4, 8-9, 14, 19 (1st couple), 13 (2nd couple)
blood tasting and biting (by cannibal): ch3&13

1st couple: murderer seme x uke he found in the forest and kidnapped
2nd couple: cannibal seme x fan uke

tw: rape (ch5, 10, 30, 43)
cw: violence, drugs
semi-cannibalistic occurances: ch14, 19, 37, 42
smut: ch2, 10, 12, 16, 18, 22, 28-30, 33, 40-42, 43

warden seme x ex-nurse prisoner uke

smut: ch1-3

bright cannibal parasitic alien seme x troubled uke

seme unknowingly eats people that uke kills for him, "childhood friends", established relationship