Each of these major character packs includes a unique story "course," new endings, and outfit sets for the specific girl: Murasaki Reflexions Course & 7 Outfit Set Ryōna Reflexions Course & 7 Outfit Set

If you are looking to maximize your experience with the game, I can help you find out which DLC costume sets allow for the most customization options in the diorama mode, or I can provide a guide on how to unlock all the different endings for each of the character courses.

Senran Kagura Reflexions Switch NSP: The Ultimate Update & DLC Guide

If you are experiencing "crashes" or lack of vibration feedback in your downloaded copy, it is highly likely you are missing the latest update patch NSP.

Senran Kagura Reflexions for the Nintendo Switch is a departure from the series' typical high-speed action, functioning more as a and a showcase for the console's HD Rumble technology. Core Gameplay & Mechanics

These packs add significant variety to the dress-up mode, which is central to the gameplay experience:

You're interested in Senran Kagura: Reflections on the Nintendo Switch!

Assuming you have a modded Switch (running Atmosphere or similar CFW), here is the standard workflow for installing the complete package:

On June 24, 2019, Senran Kagura Reflexions was released on Steam for PC. The Steam version includes the complete DLC roster. For players who want the full experience but prefer playing on a computer, this is an excellent option. The DLCs available on Steam are identical to the Switch versions, such as "SENRAN KAGURA Reflexions - Yumi Reflexions Course & 9-Outfit Set" and the "Yomi Reflexions Course & 12-Outfit Set".