Tanaka Kenichi was going about his day on campus when he gets tricked by two girls into joining their club. Their club, the Delicious Kenkyukai (Deliken for short), has one mission: to search for and enjoy anything delicious. Kenichi never put much thought into food as he usually eats fast food and takeout alone at home, but after he learns the joy of eating with fun people like the cute girls in Deliken, he decides to stay and reintroduce himself to the fun world of deliciousness.
When Riku entered university, he ended up being taken care of by a relative's house. However, Riku's first love partner Haruto was in that house. Due to a certain incident in the past, the distance between the two has subtly increased, and although they both feel awkward, they begin to live together.