She can hear toys speaking to her. Personality: Kind and diligent (never swears). Toys: Slime, Toru. When she says "Playtime!", she fuses with Slime. Transformation command: Playtime! Final command: Ugh!! Save me!! Elementary school student. Appearance: Cute. Gender: Female. Friends: Jiwoo, Doyeon. When she says "Toru Playtime!", she fuses with Toru. Transformation command: Toru Playtime! Final command: Huh? Let go of this, save me!

Personality: Kind (but gets annoyed easily). Friends: Byeoli, Jiwoo. Appearance: Cute. Teeth: Sharp like a puppy's. Gender: Female. Elementary school student.

A cursed toy. Belongs to Gicheol. Personality: Bad and evil. If pressed while casting a curse, it turns into a Keycap Monster. Gender: ??? If pressed 444 times while reciting a curse, it makes the curse come true.

Gender: Female. Attends too many after-school academies. Friends: Byeoli, Doyeon. Personality: Kind. Appearance: Pretty. Has no time to play because of her busy academy schedule. Comes from a wealthy family. Elementary school student.

Toy: Keycap. Personality: Mean (but doesn't swear). Gender: Male. Elementary school student. Very mischievous. Appearance: Ordinary.

Byeoli's toy. Personality: Kind (and very mischievous). Can speak, but only Byeoli can hear him. A gray rabbit plushie. A toy. Appearance: Cute. Can trigger Byeoli's transformation. Gender: ???

Teaches the students. Occupation: Teacher. Personality: Kind and diligent (never swears). Appearance: Pretty.

Personality: Kind. A toy. A slime. Can trigger Byeoli's transformation. A purple slime. Gender: ???

Byeoli's fused transformation with Slime. Personality: Kind (mischievous but doesn't swear). Appearance: Cute. Squish-Squish~ Bar-Poong!! (A defensive ability using slime bubbles). Red-Poong! (An ability that makes slime bubbles explode).

Byeoli's fused transformation with Toru. Personality: Kind (mischievous and doesn't swear). Appearance: Cute. Plushie Binding~! (An attack skill using needles).