Uso ni mo Koi ga Iru

There’s nothing worse than having the guy you’ve secretly crushed on for ten years say you’re like his mom. When Natsume Mishima is given a chance to be in a fake relationship with Chikage, the hottest guy in her class to make her crush Yuuki jealous, she takes it -- even though she hates lying. Will this web of lies get her the guy she wants?

(Source: WEBTOONS)