天使之卵

高考落榜后，步太（市原隼人饰）选择继续备考美术大学，由于家中还要赡养患精神分裂的父亲，经济和精神负担都很重。女朋友夏姬（沢尻エリカ饰）是个活泼开朗的小女生，几乎整颗心都扑在步太身上，但步太对她似乎总是心不在焉。 　　某日在电车上，步太发现了一位少女，眉目难描难化，在光与影的映照下，浑身散发着天使般的光芒，步太对其一见钟情，巧的是她就是父亲的新主治医师春妃（小西真奈美饰），还是大夏姬8岁的姐姐。 　　深入了解后，春妃的善解人意更是深深吸引着步太，只是5年前春妃甚为情伤，从此心扉便不再敞开。尽管存在巨大差距，步太的爱意却是与日俱增，但春妃对过去无法释怀，更觉无颜面对妹妹，所以只能选择逃避……Natsuki is a school teacher who meets her ex-boy friend from high school. The man had wanted to become an illustrator and even passed the art school examination, but having lost the passion declined the chance to attend. She knew why he lost his passion four years ago. He had also met a woman on the train at the time who happened to be Natsuki's older sister.