A short sequel for Hana No Mizo Shiru portraying Misaki and Youichi's life after the events of the main plot.

Corporate secretary Shirotani suffers from obsessive-compulsive disorder. One day he meets Kurose, a therapist who offers to take him through a ten-step program to cure him of his compulsion. As the two go through each of the ten steps, Shirotani 's attraction to his counselor grows.

(Source: Sublime)

Arikawa Youichi's life at university is going just fine. He isn't having any trouble with his classes, he has plenty of friends, and even a cute girlfriend named Kanami. Then the day comes where he meets Misaki. Misaki Shouta is a reserved, stand offish fellow but for some reason, Youichi can't seem to get him out of his mind. In fact, he can't seem to stay away. When he lands a job working in the lab with Misaki, it seems more than just the flowers are about to bloom. But will they recognise their emotions for what they are, and have the courage to accept it?

1-3. Hana no Miyako de
The successor of the Tsujimura clinic, Motoharu has always held his childhood friend, Hazumi Akira, close to his heart. He confessed to Akira and then was rejected. Even so, he still entered the same university and same department as Akira. Ever since the confession, the two have been distancing each other, but Akira suggested that they make up and for the first time in a while, they walk home together. But on the way back, Akira suddenly kisses Motoharu, causing Motoharu's hope to grow. However, the next day, Akira tells him to "forget it", causing Motoharu to blame Akira... (Source: MU)

4-5. Hana no Migoro ni
Arikawa and Misaki are living together since some time and Arikawa's mother wants to meet Misaki. And there's also Arikawa's elder sister...

In this world, there are certain individuals known as "graineliers" who produce "seeds" that conceal various powers. The story follows a boy named Lucas who has the power of these seeds at his disposal.