How did the nerd manage to flirt with the cutie today?

This is based off of a manhua.

I 𝘴𝘶𝘨𝘨𝘦𝘴𝘵 𝘺𝘰𝘶 𝘳𝘦𝘢𝘥 𝘪𝘵♥︎

𝙄 𝘿𝙊 𝙉𝙊𝙏 𝙊𝙒𝙉 𝙏𝙃𝙄𝙎 𝙋𝙇𝙊𝙏!!!

𝑨/𝑩/𝑶 𝒅𝒚𝒏𝒂𝒎𝒊𝒄𝒔🍒

𝑰 𝒚𝒌𝒏𝒐𝒘... 𝒋𝒖𝒔𝒕 𝒕𝒖𝒓𝒏𝒆𝒅 𝒊𝒕 𝒊𝒏𝒕𝒐 𝒃𝒂𝒋𝒊𝒇𝒖𝒚𝒖...

The moment omega, Matsuno Chifuyu transferred into the class, he became the target of the cunning Alpha, Keisuke baji. After a series of services from the Alpha, who managed to flirt the omega to the point that his heart beats fast, his weak legs shaking and he wishes to be pushed down by the Alpha. Until a second-year Alpha bully called Hanemiya Kazutora "Brother", Keisuke baji was confused. What is his soft and cute omega hiding?