1. Any fics where either Steve or Bucky is a werewolf. Can be an A/B/O or mpreg fic.
2. Any fics where either Bucky or Steve is a merman.
3. Any fics where Bucky is shocked by Steve's size after the serum and is trying not to wonder the size of other certain body parts, and if they were as big as they are now.
Thanks in advance. Remy.