Information About My Story AU

So my random fantasy is that Ruggie and Leona started dating, while Jack who is in love with Leona pretends to be fine and happy for them when he's actually depressed that he was never able to confess his feelings for Leona, so he started to distance himself from them Jack doesn't think that they noticed that he was any different than before... But what's this? Leona seems to have noticed Jack was distancing himself from him and Ruggie and he wants to know why