Shapeshifting

After having been apart from his older brother for 10 years, Ninomiya Michiru, has finally returned to Japan to live with his brother, Shiou. But what surprises lies in store for him after all these years? What secrets were buried in his memories after all these years that he tried to forget?

Kokonoe is a werecat who turns into a cat when he is excited. Destiny has it that one morning, Kokonoe, runs into Natsume, who seems to have a special relationship with cats. With Natsume's touch, Kokonoe soons finds himself purring and getting excited. However, Kokonoe is determined to keep his cat side and the feelings he has for Natsume under control.

Part 1
*The werecat Shingo is able to change into a black cat. As long as someone has the looks and body he likes, he'll sleep with just about anyone. Shingo work is to set up studio set backgrounds. There he gets to know the No. 1 popular actor Kakami – who gets, against his will, attached to him. At a drinking party Shingo suddenly drinks cat nip and when he wakes up…

Part 2
*Shingo is happy with Kagami. But to settle down with him? And be real lovers? No way! At the film set suddenly the photographer Hasumi appears, who is going to take photos from the crew, etc. But Kagami getting jealous over Hasumi and suddenly no sweet smell is coming anymore form Kagami? How will it go on?

Part 3
*Kagami wants Shingo to live with him. But all Shingo says is: "Em? I don't want to!" Shingo is afraid to live too far away from Masa and that body contact with Kagami will reduce when they live together. What's going to happen?

Part 4
*Even for Shingo sex five times a week with Kagami is too much. But all thoughts about this "problem" disappear as Kagamis brother suddenly appears in their appartement! Not only unfriendly Kagami's brother says that Kagami has to get married & produce a heir!

*Part 4.1
Connected to Kuroneko Kareshi No Itoshikata. Yuujin (kagamis brother) and Takamizawa Ei (butler) know each other since childhood and live in england. One night yuujin and ei also slept with each other. Now yuujin has a son and also wants his brother to continue the bloodline. But his brother is togehter with shingo, so he has to fly to japan and break them appart. Ei tells yuujin that he has to fly to his parents place, because they think it is time for him to get married...

*Part 5
Kagami gets a big job offer and has to go to a conference, that took all night long. At home Shingo is waiting and thinks that Kagami maybe has an affair. And suddenly at Shingos work appears a guy and says to Kagami "I had a lot of fun the other night. How about tonight as well?" Shingo is shocked!

*Part 6
Finally Kagamis movie shooting with Angelo has ended! Shingo is happily waiting for Kagami at home. Reunite for only a short time suddenly Jin shows up at their appartement with the request "I need to return to london....Rio will be in your care!"

*Part 6.1
Jin has to plan Sara's (his cousin's) wedding. But not with the fiancée her parents chose, but with her actuel boyfriend. It turns out that Angelo is the unwanted fiancée - who was also Jins former schoolmate. Suddenly Jin starts to remember some long forgotten scenes between Ei and Angelo back in schooldays. Did they have something going on?