Not sure if u talking about this but here you are:
http://www.mangago.me/read-manga/sensual_reminder/
This it? Starts on page 91. http://www.mangago.me/read-manga/sunao_ni_narenai_otokotachi/
How about this? http://www.mangago.me/read-manga/honjitsu_wa_seiten_nari/
Pretty sure it's shounen ai. Guy is afraid of foreigners and the love interest is half French. They're students. There's an epilogue where they're living together. Turns out two of their friends are dating.