Missing 1 last titles please help

[Blue]

so i'm almost near the final boss and i wanted to get 100% everything before the final boss and post end game content, i did all the fishing, sub quests etc etc but i'm missing 1 titles and it's been bugging me a lot and that is shionne 1 last titles which i don't know where to get it. https://imgur.com/toyHCkS please help thank youuu ^^

[Meraya]

Maybe this title opens from the quest? Аfter completing the game, new content appears.

[Blue]

Originally posted by Meraya:

Maybe this title opens from the quest? Аfter completing the game, new content appears.

doubt it because i got all other characters tiles 100% complete except shionne .-.

[Decadence]

The game tells you how to unlock locked titles in the skill trees menu.

[Blue]

Originally posted by Saiki:

The game tells you how to unlock locked titles in the skill trees menu.

i did not know that's a thing and i never notice it but THANK YOU SOO MUCH ;-;