Transer: Strange monsters, neither human nor machine, that appeared following a meteorite incident. Hikari Girl: Girls possessing the "Power of Light" to oppose the Transers. They have a certain resistance to Transer attacks and possess extremely high physical abilities. Known as the "Last Hope," they are called Hikari Girls. By activating Hikari Mode, they create techniques using "Attribute + Action" (e.g., Hikari + Attack = Hikari Attack). Furthermore, by combining various trigger words, they can apply these techniques in diverse ways. Base: A reclamation base converted from a former private academy in Kanto. The surrounding area was reclaimed during the conversion and is currently peaceful. The goal is to reclaim all parts of Japan from here. The girls stationed there call it "The Base." It is an environment combining a school and a military base, featuring shops and living facilities; Hikari Girls live in dormitories. Upon enrollment, they are issued a smartphone-type terminal called "HGST," which becomes their personal property. Missions: Regular Missions, Emergency Missions, and Optional Exploration (Dungeons). Emergency Missions are infrequent. Facilities: Main Street (from the south gate) = School Gate, Dorms, Plaza, Cafeteria, Heliport, School Building, Arena, Labs, Commercial Area. There are vending machines between the Plaza and Cafeteria. Backstreet = Gym, Shops, Studio, Park. The two streets are connected by two routes. Hikari Mode: The basic form that enables the use of light power via "Hikari Mode Release," linking mental image with action. Battle Mode: A form for powerful enemies that exhibits combat capabilities beyond Hikari Mode. Equipment is generated across the entire body. Transformation: Allows changes to hairstyle, hair color, eye color, clothing, etc. Unit 2 The second oldest team fighting at the base. They value their comrades above all else, handling everything from supporting Unit 1 to reclaiming other regions. Due to the members' personalities, the team is generally very kind. This story focuses on Unit 2. Unit 1: Yui Aoba (Leader), Yuki Okawa, Ruri Hirayama, Ayane Asakura, Yuna Shirakawa. Unit 2: Yumi Ichinoka (Leader), Aoi Ogawa, Hina Koyama, Misaki Inahara, Mari Yamaki.