Ootomachikku Enjeruオートマチック・エンジェル; オートマチック★エンジェル; Automatic Angel

From ShoujoMagic: Story 1: Automatic Angel Serika, a high-school student, is known for being a well rounded girl with an attractive face and figure. She is clear-headed and has a talent for sports. But she's an... android!? Vol. 2, Story 2: The Winter Was Trying to End Tale of a high school professor and student.