The Basics of Mermaid Classification by Utsukushin
When Makoto and his father discover a small merman while on a fishing expedition, he develops a strong bond with the creature. He soon realizes that even though he's just a little boy, he will do anything he can to keep his Haru safe.
This is an adorable story! Seeing the friendship between Makoto and Haru grow is so sweet, and I can't wait to see what happens next! Give it a try! You won't be disappointed!
artwork credit: Ska&Hug