Years after his parents died, Yuuji Enomoto became part of the household belonging to childhood friends Yuna and Nina Tsubakihara along with their mother Mira. Today a high‑school student known as Yuuji Tsubakihara, he shares the same home with a pair of adorable twins and an elegant older woman. Though Yuna is shy and reserved while Nina is outgoing and talented, Yuuji yields to his impulses after seeing Yuna reject a confession. Yet when Yuuji and Yuna finally unite in love, can Nina and Mira remain passive? Their dynamic is complex, blending affection with hidden tensions.
