They're both real... And not only are they real, but they both have unofficial/official sequels!The first movie referenced by this chapter's Shark Lore is Ghost Shark. Thank you, SyFy channel!
The SECOND movie referenced by this chapter's Shark Lore is Ouija Shark. It actually came out in 2020, but it was apparently filmed in 2017, according to IMDb.
What are you talking about? This is clearly based on actual people, organizations, and events.Guys I'm starting to think this manga might be making stuff up