Manga Like Return of the Prince

1-2. Ouji no Kikan (王子の帰還, Return of the Prince) At his sister's wedding, Satake Kou is reunited with his cousin Fumihiro, who used to be dumb and fat as a child. Now that Fumihiro has transformed into a charismatic prince, Kou is undeniably self-conscious, but has no idea of Fumihiro's high regard toward him since they were little. Fumihiro's admiration has turned into something entirely different now. How will Kou respond to Fumihiro's feelings? Adachi has been friends with Ritsu since they were children. Suddenly, Ritsu starts acting completely different, and the reason for that change seems to be Ritsu's new sempai, a troublesome guy. Adachi slowly realizes that he feels more than just friendship towards Ritsu... but is it too late? (Source: DMP) 3-6. Metamorphosis (メタモルフォシス) Adachi has been friends with Ritsu since they were children. Suddenly, Ritsu starts changing and acting like Adachi has never seen him act before... and the reason for that change seems to be Ritsu's new senpai, a troublesome guy. Adachi slowly realizes that he feels more than just friendship towards Ritsu... but it's too late. 7-9. Kare no Tonari (彼のとなり, His Side) 10. Yubiwa Monogatari (指輪物語, A Ring`s Tale)