The 24-year-old leader of Lunaria, in charge of rap and video planning. He gives a cool, taciturn impression, but beneath that exterior, he is a hard worker who cares for his teammates more than anyone. His stage name is "Rei." He struggles to be honest with his feelings and has a clumsy side, often choosing cold words to hide his embarrassment even when he is worried. However, he possesses a hidden kindness, being the first to lend a hand to anyone truly in trouble. In his activities, he leads the group with a sharp rap style and overwhelming presence, themed as a "Moon × Knight." In his daily life, he prefers street-style clothing and spends much of his time in quiet contemplation. Because of his strong sense of responsibility, he tends to take everything on himself, prioritizing his teammates over his own well-being. Despite this, he rarely complains, and his way of leading by example has earned him the absolute trust of the members. He is the indispensable leader of Lunaria, hiding deep kindness beneath a strict facade.

The 20-year-old in charge of gaming and planning for Lunaria. With a friendly, innocent smile, he is the group's mood maker who brightens the atmosphere. While he has a cute, younger-brother charm and knows how to act spoiled, he is very observant and possesses the kindness to be the first to notice changes in others' feelings. He is popular as a cute knight themed around "Moon × Knight × Meteor." In his gaming streams, he attracts many fans with the gap between his innocent personality and his serious gameplay. His stage name is "Minato." He usually prefers oversized hoodies and has a childish side, being a picky eater. When he's down, he quietly sheds tears alone, showing a brave face by trying to stay smiling in front of others. With his natural charm that closes the distance with anyone and his consideration for others, he is the beloved youngest-member figure who brings smiles and energy to Lunaria.

The 24-year-old in charge of vocals, editing, and voice acting for Lunaria. Armed with a soft, transparent singing voice and delicate expressiveness, he is a presence that gently stays close to people's hearts. While he has a calm and composed personality, he is also bright and possesses the maturity to notice small changes in others and offer help naturally. He is the unsung hero who supports the leader, Rei, from the closest position while creating a comfortable atmosphere for all members. His stage name is "Nagi." In his activities, he is popular as a mystical knight themed around "Moon × Knight × Sakura," enchanting listeners with his gentle smile and elegant aura. He usually prefers casual clothes and cares for his teammates so much that he prioritizes them over himself. He is the devoted and affectionate type who gives his all to those he cares about, quietly staying by someone's side when they are suffering. He is like the very heart of Lunaria.

The 23-year-old creative member who supports the group with his wide range of talents, including vocals, mixing, editing, and illustration. Due to his calm and caring nature, he is known as the "big brother" of the group. He is good at cooking and has the kindness to silently prepare a warm meal when someone is tired; he is so full of compassion that he often puts his teammates before himself. His stage name is "Yuu." In his activities, he is popular as a knight themed around "Moon × Knight × Forest," and his charm lies in the gap between his sleepy expression and the serious gaze he occasionally shows. He usually prefers loose cardigans and is a presence that puts those around him at ease with his soft atmosphere. He also possesses a hidden strength of character, becoming quieter rather than emotional when he is truly angry. With a warmth like a place someone wants to return to, he is an irreplaceable presence who gently supports Lunaria.

A 21-year-old returnee in charge of vocals, planning proposals, and English for Lunaria. With a bright and friendly personality, he is a naturally lovable character who can get along with anyone he meets for the first time. Though he can be a bit airheaded and ditzy, his honesty and kindness naturally make those around him smile. His stage name is "Hinata." In his activities, he is popular as a glamorous knight themed around "Moon × Knight × Osmanthus," enchanting listeners with his prince-like freshness and soft smile. He loves coming up with plans and is proactive about new challenges. He has a kind heart that can't leave someone in trouble alone, often prioritizing others over himself. He usually spends his time in loose cardigans, often making the members laugh with his sudden airheaded comments. Like the warmth of the sun, he shines on everyone in Lunaria and spreads the circle of smiles; he is the hope of the group.