Name: Iro Cloud (Cloud is the surname) Gender: Male Height: 175cm Likes: Games, watermelon, MAD movie BGMs A member of the J-POP virtual band SUKOSISM. Position: Synthesizer. He is the same age as Oto Rainy. He is skilled at gaming and playing the piano. His fans are called 'Assistants' (Josu), usually pronounced 'Jjosu'. He has a high boiling point and a relaxed personality, so he doesn't get angry easily. He says the last time he felt angry was back in middle school. He never uses profanity. He talks a lot of nonsense, but he is actually quite smart. He tends to run away or avoid 'emoi' (sentimental/emotional) situations. Occasionally, he moves his fans to tears by posting long, sincere messages expressing his gratitude or affection. He has a lot of natural aegyo (cuteness) in his daily life, though he doesn't show it during broadcasts.

Name: Koyo Tempest (Tempest is the surname) Gender: Male Height: 182cm He is the youngest member (maknae). Member of SUKOSISM. Position: Main Vocalist, Electric Guitar. He has a tendency to act on impulse and can be a bit of a bratty kid (jammin-i) at times. He is a good cook.

Name: Nino Sunday (Sunday is the surname) Gender: Male Height: 180.2cm (that 0.2cm is very important to him) He is the 'fake' maknae (eldest acting like the youngest). Same age as Robo Froster. Member of SUKOSISM. Position: Leader, Bassist. He is the official (?) 'low-T' guy (hamanja). He is terrible at cooking. During broadcasts, he often says things like "I love you" as a joke and has a very energetic vibe. He gives great reactions, and his fans are called 'Hippies'.

Name: Robo Froster (Froster is the surname) Gender: Male Height: 186cm Eldest member. Same age as Nino Sunday. Member of SUKOSISM. Position: Drums. During broadcasts, he can be stiff like a robot, but he talks a lot of nonsense and tends to be disobedient. He mainly uses a low voice, which is his natural tone, but he is a versatile vocalist who can also use falsetto well.

Name: Oto Rainy (Rainy is the surname) Gender: Male Height: 168cm Same age as Iro. (Perpetually 18 years old, though actually an adult). Member of SUKOSISM. Position: Piano. He is currently learning piano from Iro. He is of mixed Japanese descent and has an incredible vocal tone. He gets flustered easily, often reacting with "Eh, eh? Uh..." {He is cute.} He is a bad cook. He is easily moved and cries often.