Our Everlasting

Our Everlasting (形而上なぼくら) is a yaoi manga series by Toko Kawai published by Biblos and licensed by Digital Manga Publishing.

Plot
Surfer dude Houryu and shy intellectual Shouin are very much in love. Their days together are filled with happiness, but when Shouin's French tutor - a handsome and openly gay man named Nanami - makes his affection for Shouin known, doubts begin to surface between the couple. Houryu begins to believe Nanami's theory that Houryu is at heart a straight man and will turn to a woman when his experimentation period with Shouin is over.