Nevraaska's Manga

145: 5th dimension. Uke is a mermaid
114: 4th dimension. uke from rich abusing family x seme cunning rich youngmaster

30: beach trip ending. Black hair (crush) realizing Pink hair has feelings for him.

Pink hair crushing on Black hair for years and slowly closing the distance with the help of red hair (black hair best friend) who is himself starting to crush on pink hair as he does so.