I-400's outfits of Default / Yukata(LAWSON campaign in 2019) from Kantai Collection is available.
For the output model, I recommend “ebara pony” which can be downloaded at hugging face, or “White Unicorn” which can be found at Civitai.

Base : i400kc, black hair, long hair, grey headgear, black eyes, purple eyes, tan

Default outfit : i400defkc, orange_sailor_collar, white shirt, crop top, sleeveless, orange_neckerchief, blue one-piece swimsuit, swimsuit under shirt, bare arms, bare legs

Yukata : i400yukatakc, blue_kimono, printed kimono, blue yukata, long sleeves, sandals, orange ribbon

** In Japan, a Lawson campaign that began on July 23, 2024 featured an illustration of I-400 in casual clothes wearing a white dress, but this LoRA was unable to reflect that. I tried my best to reproduce it only with prompts, so please enjoy just the atmosphere.