Rakka no Alpha O (Bamboo comics)

[Machine Translation] Rai, an alpha prince, is a royal with genuine alpha blood, but lives freely without a mate. He loves beautiful things, and 10 years ago, he first saw a pretty boy named Keisuke Sakaki when he visited the royal family. The two parted ways, promising that they would surround Keisuke in their harem when he grew up and that they would "definitely come for him. Time passes, and when Rai picks up Keisuke at the age of 18, he finds that his dainty appearance has faded away, and he is now a young man with the aura of a male, one of the strongest of all the alpha males. Rai is shocked to see Keisuke, who suddenly develops an alpha heat. He bites the nape of Rai's neck and says, "Now it's my turn. It's my turn now. Rai's body is somehow disordered like an omega...? A (Omegaverse) of a possessive alpha student and a noble Arab prince!

生粋のαの血を継ぐ王族でありながら、番（つがい）を作らず自由きままに生きるα皇子・ライ。美しいものを好む彼は10年前、王家を訪れた可憐な少年・榊慶介を見初める。慶介が大人になったらハレムに囲おうと「必ず迎えにいく」と約束し、別れた二人。 時は流れ18歳になった慶介を迎えにいくと可憐さは消え失せ、αの中でも特に強い雄のオーラを纏う青年に。ショックを受けるライを目の前に、突如αの発情を起こす慶介。 ライのうなじを噛み、告げる??「これで俺の番だ」。 α同士で番を結べないはずが、ライの身体はなぜかΩのように乱れ…？ 独占欲むきだしα学生×気高いアラブΩ皇子の【変性オメガバース】！