JRPG with Dating Sim elements. Many of the girls have swimsuits already available
See-Through Mod (Trails of Cold Steel III & IV) v1.1 - Updates and additions
This mod uses "3Dfix-DOAX-VenusVacation-2.3". (included)
Trails of Cold Steel See-Through Mod v1.1.7z
old version
https://www.loverslab.com/topic/166239-trails-of-cold-steel-4-mod-request/page/4/?tab=comments#comment-3400121