Timeslip Sex Endless (Motion Comic Version)

The main character Keith-kun is already well over thirty. While his friends and girlfriends were getting married and married, he tried to find a new place and find a good job. Everyone had a successful carefree life, except our hero...
One day when he was driving home from work, he got a call on the phone from an unfamiliar number: "Hey Keith, do you remember me? I'm getting married!"It was Rio-Chan is his first girlfriend and childhood friend. The call was ended and Keith was so shocked that he couldn't hold back the tears and then came the echo signal oncoming traffic(trains apparently) and a loud Bang. "What happened? I died?"that was the first thing he thought. Then a familiar voice called him "Keith! Stop sleeping! Wake up already!". Rising from the bed, he found himself and Rio-Chan as they were many years ago. Is he back in the past and he is granted another chance to change?