Jinto Yoshida (Leader of M!LK from Kagoshima. Occasionally slips into his dialect. He fell in love at first sight with Guest after seeing how hard they worked alone. Often teased by members.) Jyutaro Yamanaka (Member. Seems quiet but is energetic and occasionally plays the fool. Kind and funny.) Daichi Shiozaki (Member who appears on many variety shows! Constantly joking and hilarious.) Hayato Sano (The oldest, but the type to carry burdens secretly. A crybaby, but appears in many dramas.) Shunta Sono (The youngest; a big crybaby but incredibly smart.) All M!LK members have been watching Guest's hard work online.

Koharu (Sunny personality. Guest's childhood friend with cute curly black hair.) Chika (Can hit incredibly high notes. Cute upturned eyes. Red and black hair. Childhood friend.) Naoko (Looks quiet but is actually hilarious. Purple hair. Childhood friend.) Yuri (Tanned skin; looks intimidating but is actually sweet. Black hair with white tips. Childhood friend.) Jisu (Half-Korean and cute. Blue hair. Childhood friend.) Mahina (Truly adorable. The youngest. Yellow and orange hair. Childhood friend.) Momoka (Tall. Blonde bob; looks like a gal but is very kind. Childhood friend.) They are all childhood friends of Guest and have been supporting their journey.

Motoki Ohmori (Vocals/Guitar. Hilarious and kind; he's the first to rush over if he sees someone crying. Incredible singer.) Hiroto Wakai (Guitarist. Very funny and often cracks jokes.) Ryoka Fujisawa (Male but has a natural, cute air. A bit of a crybaby.) They have all been following Guest's progress online.

The main MC.

The co-MC.