きみと嘘のキス

I've always liked Haruka, but... today, I'll lie again just to have sex with the person I love. Riku and Haruka have been together since they were kids. Now, they are coworkers as well as friends with benefits. "You can call me Hinata, my brother's name, while you come." Due to an incident during their school days, Haruka believes that Riku is in love with his brother. One day, when Haruka suggested Riku sleep with him in his brother's place, Riku just couldn't resist... and they have been continuing this futile relationship... How will their "unrequited love" turn out? A sweet and bitter love story begins! (Source: MangaPlaza)