Okizari Ni Sareta Tenshi / Original Title: NEWBORN on HER DOORSTEP (Harlequin Image)

[Machine Translation] A newborn baby was left on Lily's doorstep. Lily was stunned by the sudden discovery that the baby was the product of her estranged half-sister, whose whereabouts she did not know at the time. She was in the middle of renovating her house, and there was no way she was going to be able to take care of her child properly! By chance, her best friend's brother Nick came to visit her and, seeing her plight, took the baby to the hospital with him. This leads her best friend to propose an unexpected solution: since her brother is an executive at a big company and is often away, she can take care of the baby at his house. The two begin to live together, but for some reason, Nick begins to act distant and cold...

リリーの家の玄関先に生後まもない赤ん坊が置き去りにされた。今は疎遠で居場所もわからない異父姉が産んだ子とわかったものの、あまりに突然のことに、リリーは呆然と立ち尽くした。改装中のこの家では、まともに育児なんてできないのに!すると偶然にもそこへ親友の兄ニックが訪ねてきて、彼女の窮状を見かねて一緒に赤ん坊を病院へ連れていってくれた。それがきっかけとなり、親友が思いがけない解決策を提案する―兄は大企業の重役で不在がちだから、彼の家で育児をすればいい、と。そんな成り行きで始まった二人と赤ん坊の同居生活だったが、なぜかニックがよそよそしくて冷たい態度をとりはじめ...。