生きてるだけでえらい！ってハイネさんが言うから

Sota Takarada, who lives a reclusive life, hires Haine-san to take care of the housework. Haine-san is a kind and beautiful lady, and she is always so nice to him, but there is something about her which makes Sota nervous. A mysterious life together with an overprotective (?) woman! (Source: ComicWalker, translated)