Just been having a little read of the dedicated page link provided by truncated above, in which JAL extols the virtues of its HND-LHR (41) service. In addition to confirmation of lounge access even for Y pax (impressive, must be said !), there’s a very enthusiastic sales pitch on the attractions of London for Japanese visitors, including this quirky gem :

“With the nighttime flight you’ll arrive at the airport at 06.25am, how about starting your day with an English breakfast at a pub in London ? The English breakfast is so delicious and famous that some people want to eat it three times a day ! Many people cite it as a pleasure of travelling in the UK”you'll

The arrive at the airport at 6:25 AM, how about starting your day with an English breakfast at a pub in London?
The English breakfast is so delicious and famous that some people want to eat it three times a day! Many people cite it as a pleasure of traveling in the U.K. the nighttime flight (JL41), you'll arrive at the airport at 6:25 AM, how about starting your day with an English breakfast at a pub in London?
The English breakfast is so delicious and famous that some people want to eat it three times a day! Many people cite it as a pleasure of traveling in the U.K. the nighttime flight (JL41), you'll arrive at the airport at 6:25 AM, how about starting your day with an English breakfast at a pub in London?
The English breakfast is so delicious and famous that some people want to eat it three times a day! Many people cite it as a pleasure of traveling in the U.K.