did-you-kno: When a decapitated flatworm regrows its head, it gets all of its old memories back, too. Source Source 2 Source 3
tags: So many OTPs,
from: https://eikuuhyo.tumblr.com/post/179439322954
tags: So many OTPs,
from: https://eikuuhyo.tumblr.com/post/179439322954