Trained only on in-game images, so it probably 'a bit' overfit, but in my testing it still works fine.
Recommended lora strength: 0.6-0.8
Hibiki
Asc 1:
Character trigger
hibiki, orange hair, ahoge, orange eyes, short hair,
Outfit trigger
maid uniform, white shirt, pantyhose, orange skirt,
Asc 2:
Character trigger
hibiki, orange hair, orange eyes, long hair, age progression, ahoge,
Outfit trigger
miko outfit, white dress, orange skirt, black pantyhose, cleavage, hairband,
Chikagi
Asc 1:
Character trigger
chikagi, green hair, twintails, green eyes, long hair,
Outfit trigger
maid uniform, white shirt, pantyhose, green skirt,
Asc 2:
Character trigger
chikagi, green hair, green eyes, long hair, hair down, age progression
Outfit trigger
miko outfit, white dress, green skirt, black pantyhose, cleavage, hairband,
Extra info:
May want to add "age progression" to negative prompt when prompting ascension 1.
When prompting Chikagi by herself, may need to add 'ahoge' to negative prompts.
Use regional prompter if you want to prompt both at the same time.