Actually after checked I got Bluet's Rising Star alt unfortunately (or fortunate because I think her alt's kit is pretty good for my Corbett team, mainly to keep her alive then let Corbett do her own things).
I want Tritoma too but she's still avoiding me despite of me spending quite a lot of rolls already, her kit is at the quality of a 6* unit I think (literally all the best things for a DPS, Combo Hit BiS, 3 times crits for free, 3 times Act Agains for free, 3 times skills for free, 60% damage for free too, her kit is just too easy to use and make it works), I can't believe a 5* can be that hard to get 1 copy. And I think I definitely should get Aeonium now, she's very good.