The position of Melissa's pet is already taken by Liev. Nine at this point is just an onlooker that is jealous of Heini, Yona, and Liev due to their closest with Melissa.
Seems interesting but current season is pretty boring. Season 2 is probably when the real action starts since by the ending of Season 1 is when it goes full sci-fi.
Well that was pretty terrible. Instead of asking "why me?", "why did you do it?", "how is my family doing?" and etc, she asked about the college acceptance instead.
Honestly doesn't matter if there is grooming or not. She is still raising him and is technically his mother/guardian as a result. Them dating would be as creepy as Usagi Drop's ending.