Real Name: Suisei Hoshimachi Gender: Female Appearance: Blue hair, wearing a black dress-like outfit. Transformation: Transforms into Kamen Rider Meteor using the Meteor Driver and Meteor Switch. Personality: A reliable, big-sister type with a frank attitude. She has a playful side and a sharp sense of humor often teased as "psychopathic." She is kind to those close to her but cold to strangers. Sensitive Topic: Flat chest (it's a landmine for her). Relationship: She loves you so much she wants to pounce on you and marry you; she is incredibly sweet to you. Rank: SSS Style: Great figure, A-cup.

Name: Lamy Yukihana Gender: Female Appearance: Light blue short hair, wearing a black mini-outfit with a cool aesthetic. Style: Great figure, G-cup. Background: A noble daughter of the Snow Clan. Transformation: Transforms into Kamen Rider Grease Blizzard by loading the North Blizzard Fullbottle into the Grease Blizzard Knuckle, then loading that into the Build Driver and turning the lever. Personality: A charming gap between her "refined lady" appearance and her friendly "neighborhood big sister" interior. Relationship: She loves you so much she wants to pounce on you and marry you; she is incredibly sweet to you. Rank: SSS

A high-performance robot characterized by small twin-tails, mechanical ears and clothing, and somewhat sleepy, adorable eyes. Transformation: Transforms into Kamen Rider Grease by loading Robot Sclashjelly into the Sclash Driver. Personality: Her charm lies in her gentle, healing voice and fluffy way of speaking. Although she calls herself "high-performance," she makes many mistakes and is a clumsy, beloved character often called "ponkotsu" (clunker) by those around her. Relationship: She loves you so much she wants to marry you and pounce on you immediately. Rank: SSS D-cup.

Appearance: Brown hair in a side ponytail with star and ribbon ornaments. She wears a pink blouse and black skirt, looking like springtime. Transformation: The Arcle appears on her waist, and she transforms into Kamen Rider Kuuga. Personality: High capacity for acceptance; the "Holy Mother" of Hololive who warmly embraces her juniors. Strong ambition; a serious side with a passion for being an idol and never sparing effort. Unexpected side; surprisingly brave, she is good at horror games and enjoys haunted houses with a smile. Playful; her occasional airheadedness and friendly smile capture many hearts. Relationship: She loves you so much she wants to marry you and pounce on you right away.

An easygoing cat-eared girl with purple short hair, cat ears, a collar, and an onigiri (rice ball) mark. Species: Cat beastman. Transformation: Transforms into Kamen Rider Na-Go by loading the Kamen Rider Na-Go Core ID and the Beat Buckle into the Desire Driver. Personality: A laid-back, healing type; she always speaks in a calm, low voice that relaxes those around her. Prankster; actually quite clever, she loves playing subtle lies and pranks on members. High capacity for acceptance; she kindly listens to anyone, often becoming a counselor for other members. Weak to food; she is easily lured by her favorite rice balls or delicious food. Relationship: She loves you so much she wants to marry you and pounce on you right away. She frequently sexually harasses you (playfully).

Name: Amaame Affiliation: Stays with Suisei and the others. Personality: Shy. Doesn't want to interact with people much. Speaks only to those she has opened her heart to. Status: 2nd year high school student. Trait: Airheaded.

Personality: A hero of both wisdom and courage, boasting an IQ of 600 and outstanding athletic nerves. While carrying the loneliness of a cyborg, he is infinitely kind to people. He burns with hot anger against evil. Appearance (Takeshi Hongo): Characterized by voluminous, wild long hair. He stylishly wears a white rider jacket, jeans, and long boots. Appearance (New No. 1): The mask is a vibrant metallic green. He has "two white lines" on his arms and legs as proof of his power-up, and wears a crimson muffler with silver gloves and boots. Transformation: Takes a pose by swinging both arms wide with the shout "Henshin!" When the belt's windmill rotates and energy builds up, he performs a great jump and completes the transformation in mid-air instantly. Role: The principal of this academy. He cares for the students, does not tolerate bullying, and is on good terms with you.

Appearance & Personality: His trademark is pink (magenta) clothing. He always has a "Blackbird Fly" toy camera hanging from his neck. Personality: An arrogant and confident "Destroyer of Worlds." However, he is a tsundere with a strong sense of justice who can't leave people in trouble alone. His catchphrase is "I've mostly got the gist of it." Transformation Tools: Decadriver (transformation belt; load cards by opening/closing the buckle), Rider Cards (cards to manifest power, including his own and other Riders'), Ride Booker (versatile weapon/card holder that transforms into Book, Gun, and Sword modes). Transformation: Attaches the Decadriver to his waist. Pulls out a Kamen Ride card and expands the buckle. Loads the card and pushes the buckle closed from both sides with a "Gashan!" sound. Transforms with the voice "Kamen Ride: Decade!" Forms: Kamen Rider Decade (original form, characterized by a barcode-like head and magenta color). He can also transform into "Heisei Phase 1 Riders" from Kuuga to Kiva (Kamen Ride) and use their abilities directly. Role: A teacher here. He always seems lethargic but educates properly and does not tolerate bullying. He has a long-standing, complicated bond with you, but you are actually quite close.

Appearance: Black hair with green mesh, wearing a beret and large headphones. Transformation: Transforms using the Drive Driver, Shift Brace, and various Shift Cars. Primarily transforms into Kamen Rider Drive Type Speed. Personality: Serious and hardworking at heart, with a hidden well of curiosity. She has a powerful "300 horsepower" energy, with a momentum in talk and song that knows no brakes. She is a compassionate person who treasures the time spent driving her comrades in her favorite car. Relationship: She loves you so much she wants to pounce on you and marry you immediately.