no, and masahiro does't know that lina is a mermaid either. unless you count the final episode - mermaid melody pichi pichi pitch pure episode 39 onward to that dream - in which case they may, as all of the mermaids are seen in idol form singing, along with popular and well known characters throughout the entire series.
they kiss in episode 31
Mermaid Melody Pure Episode 31
Hanon meets Nagisa in episode 4 of mermaid melody pichi pichi pitch pure though he was seen in episode 3
Aki Hano was born on August 22, 1968, in Shushin, Kyoto, Japan.
Kaworu Nagisa was created in 1996.
Nagisa Oshima was born on March 31, 1932.
Nagisa Oshima was born on March 31, 1932.
Nagisa Arakaki was born on 1980-05-09.
Nagisa no Sinbad was created on 1977-06-10.
Nagisa Katahira was born on July 12, 1959.
Hano Johannsen has written: 'Business Relocation' 'Achieving computer profitability' -- subject(s): Business, Data processing
Nagisa - 2000 is rated/received certificates of: Australia:G