mm idk i think it's very obvious that they are going to be cannon they have many parallels to hananene and they were in the valentines and cupid twitter events

In an official twitter au event done by the author mei has a crush on aoi :3

well yes that's what I mean by "implied"

also shijima mei is canonically into girls i don't think that's why the tag is there because it's not important to the plot but yea

mitsukou is very much implied as romantic

gay sex happened

Arc 6> Arc 4> Arc 5 = Arc 3> Arc 2> Arc 1
I've only read like 30 chapters of arc 7 so far but it could be above arc 5 cuz it's so good