"Yoshida-san, someday I will give you my first time, okay?" The kind but dense Yoshida (29 years old) will see the days of being a girlfriend-less virgin disappear. As a busy work life had him on the verge of giving up romance, he was able to get the popular cutie of the workplace as a girlfriend!! But right as he imagines "Is there anything that can make me more happy!?" we find out that Futaba-san the girlfriend has a secret she can't tell anyone else...!? This is their front-to-back, first pure love story between two people with the same...!?