Kon'ya, Isshoumono ni Shiro

Takumi is an office worker who was just dumped by his girlfriend right before they were supposed to get married. The reason for the breakup? He has a bad habit of drunkenly apologizing to his former classmate, Yui!
Having been dumped by a string of girlfriends who mistook Yui for an ex-girlfriend or someone he was cheating with, Takumi decides that this time he’s going to make it to the altar. Determined, he opens the door to a matchmaking party.
However, the person working the reception desk that day is none other than Yui himself—!
Takumi is supposed to be looking for a partner, but he can’t hide his confusion at reuniting with Yui, with whom he once shared a secret relationship. To make matters worse, through a twist of fate, the two of them end up alone together during the party.
"What would you do if I told you my feelings for you haven't changed even now?"
Being stared at with those feverish eyes that bring back memories of the past, Takumi can't keep his composure. Will Takumi ever find his fated partner? The curtain rises on a matchmaking BL story about finding a lifelong love!