After many years apart, Misaki returns to her older sister, Hazuki, harboring a secret.
As the sisters settle into their new lives together, their mother reveals a new love.
Misaki's plan to have Hazuki quit her job in the ward office is set in motion.
One of Misaki's clients gets dangerously close. Meanwhile Hazuki's crush on Mr. Sakuraba grows.
Eight reveals his true feelings to Misaki.
As they grow closer, Yohei asks Hazuki something important. Eight volunteers to help Misaki with the pregnancy as Mr Sakuraba confronts her about the baby's father.
As Misaki's plan to bring Yohei and Hazuki together finally seems to have worked, she realizes she might have feelings for him too.
Hazuki discovers Misaki's secret notebook listing all the plans she has to change Hazuki's life.
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