Ughh i forgot the title

http://www.mangago.zone/read-manga/hands_off_i_said_i_m_his_desert_island_delicacy/

it might be:
http://www.mangago.zone/read-manga/mermaid_s_egg/
or:
http://www.mangago.zone/tag/Stranded/?page=1 (not a manwha
sorry i'm no sure

It can also be this, though it’s a manga ;;

http://www.mangago.zone/read-manga/razoku_no_hanayome/

Thankks guyss you help so much ♡

Which one was it?

Sorry to disappoint but none ╥﹏╥ i don't really remember but at the end the dark guy follow the white guy to the city . Btw thanks for helping (๑•ㅂ•)و✧

Lol, you're welcome.

Was it that the guy also learned japanese when he went to england and then came to Japan to see his lover?

Yeah maybe like thatt