I have no idea why everyone is hating on the childhood friend, her love is sweet and genuine unlike Nadeshiko's hollow sexual compulsion. And the only reason she is so pushy, is because she feels desperate and hopeless competing against a literal sex bot, that has been pushing boundaries and manipulating Akane constantly, under the "advice" of her "mother", like with the breast milk play, under the false pretense of fixing a coolant malfunction, or the endless manipulation of getting Akane to register.
If you all want Akane to end up with Nadeshiko, at least be happy that Jun is forcing her AI to reconsider the nature of their relationship, beyond the wishes of the "mother".
Cause it's hardly even a love triangle, when Nadeshiko hardly has any concept of romantic love.
As much as I like Nadeshiko, the idea of their relationship being "romantic" never felt right to me, since all her actions were utilitarian means to achieve her purpose, she has no relationship with Akane, other than being an obedient sex slave, and as comedic the story has been so far that's not romantic for me at all.