I think it's good that it's ending instead of getting axed. "Quit while you're ahead" as they say. Plus, author probably wants to spend more time with his daughter until she's old enough. So it's understandable.
He is. It's confirmed in the author's Pixiv account. Yes, he's an author now. But before that the parents were student/teacher.
https://www.pixiv.net/en/artworks/141295684
For Abe's sake, Takase. She already showed you her boobs AND even let you touch them! And you're afraid of her noticing your boner?! She WANTS that, you dummy!
Man... Looking at that last part reminds me of my wife and I few days after our marriage. I came home from work and just immediately laid down on the sofa on her lap. She later made me sat up and then she sat on my and started sniffing me while I also enjoyed her smell.