>>11805727It can be difficult at times, and her self-esteem won't improve instantly, but as long as you and others stay loyal to your oshi she'll hopefully learn to love herself. I've oshied Hana for 2 years and she used to have huge self-esteem issues but nowadays she's practically a stacy and very open. She still makes self-deprecating jokes but they're very rare compared to how she was when I first started watching.
In other words, stay loyal and it will pay off.