In love with the new au going around with Dad!Titus au, and I don't have any fic or art prepared and it's assessment week so I'm just gonna ramble on my oc account, sound good? Good.
In the Demetheia au with Lilia, I can imagine Tari would still be serving under the Medica in the Ultramarines but would somehow befriend Titus and Theia, and thus she would be the fun aunt who would spoil give small gifts to Lilia like drawings of flowers, the first one being the flower she was named after. She'd also give lots of hugs, sing such pretty songs to her and just dote on the child (within reason).
I can imagine helping looking after Lilia would be therapeutic for Tari as she wants to have children of her own and gets regular babysitter, but her job as a serf and her having PCOS means the likelihood of her having her own child would be impossible.
I can just imagine that one trope would happen where someone in charge of looking after Lilia loses her and when Theia and Titus return everyone begins to panic looking for her, only to find Tari had taken Lilia to bed and is singing her a lullaby. (She then promptly scolds the original babysitter for losing Lilia.)
And that's all I have to say lol
Lilia Titus belongs to @ahrianee
Elitheia "Theia" Agni belongs to @hatsubara-8chan