The end of theKarin The Chibi Vampire manga. Not onlydoes Karin's older brotherwipe all her memories of her family but he does it with his last and only sign of brotherly affection. A pat on the head, because 'you don't like it when I'm rough, do you?' And we learn that all those times he gave her noogies wereto help the memory whiping process and Dear God, her family was planning thisfrom the start because she wasn't a normal vampire. And then, on top of that, we get the most bittersweet moment in the manga whenUsui Kenta asks Karin if she remembers her family and she replies 'I don't have a family' while crying without knowing why, making Kenta cry aswell- and then, he finally proposes making it so so wonderful and painful at the same time.