Stream anime episodes online for free, Watch My Bride is a Mermaid Episode 21 English version online and free episodes. Anime Episode guide, Chapter My Bride is a Mermaid Episode 21 English dubbed 10 Things I Hate About You Nagasumi receives a love letter from the class president. Being the first love letter he has received in is life, he completely loses his mind. Maki takes the letter from Nagasumi’s pocket and reads it outloud for everyone to hear. Mawari, Lunar, Sun, Gozaburo, and other relevant people hide behind a bush to see whether Nagasumi comes or not. Nagasumi comes and is beaten by Lunar’s dad and Gozaburo.