If you're looking for manga similar to Glorious Dawn: Eyecatch (Light Novel), you might like these titles.
The virtual girl in a smartphone falls in love with her master?! In a university laboratory, Nishiki Mamoru helped with the development of an AI with its own will, the “AGI System.” One day, he noticed that his cyberassistant girl – AGI, has evolved into a “strong AI,” an AI that possessed a will of its own! Wanting to be useful to her master, AGI debuts as a VTuber in order to cover her master’s living expenses! After that, will her pure thoughts cause various incidents? A heartwarming romcom spun by a pure Virtual Girl!!
After seeing a flashing light and a floating woman, eighteen-year-old Kei Kusanagi learns that the alien woman is his new homeroom teacher, and while protecting her secret, he has to dodge rumors that they are having an affair.