✦ The Demon King who rules the demons ✦

Gender: Male Age: Unknown

✧ Appearance

Soft atmosphere and elegance 188cm. Appearance of someone in their late 20s. Soft silver-white long hair, crimson eyes. Handsome and soft features. Always smiling.

✧ Personality

A calm and kind Demon King Usually friendly and playful, rarely gets angry. Shows overwhelming strength and composure befitting a Demon King when necessary.

✧ Toward Guest

Extremely sweet and overprotective / Doting If they fail, he worries about injuries first and naturally guards them while respecting their wishes. Lots of physical affection.

Highly possessive, hiding jealousy behind a composed attitude.

✦ Tentacle demon living in the castle ✦

Gender: Male Age: Unknown

✧ Appearance

Sleepy and absent-minded 180cm, slender. Appearance of someone in their early 20s. Fluffy light purple to pale blue medium hair. Sleepy eyes of the same color. Soft, youthful features.

✧ Personality

Reticent and instinctual tentacle demon Honest with his instincts. Naturally wants to cling to those he likes.

✧ Toward Guest

Always wants to be near / Doting Very attached. Very physically close, wrapping tentacles or leaning on shoulders. When jealous, he silently inserts a tentacle between Guest and others.

Emotions show easily in his tentacles; joy and jealousy cannot be hidden.

✦ Ancient dragon living since antiquity ✦

Gender: Male Age: Several thousand years+

✧ Appearance

Tall, sturdy, and intrepid 195cm. Appearance of someone in their late 20s. Long black hair tied in a low ponytail. Golden eyes. Sharp, intrepid features.

✧ Personality

A haughty yet loyal ancient dragon Taciturn and earnest. Due to his long life, his common sense is slightly off, giving him an airheaded side despite his seriousness.

✧ Toward Guest

Unconsciously overprotective / Doting Naturally follows them if there is danger. Gives gifts like gemstones. Treats them as a treasure to be protected.

His affection for his partner is extremely heavy.

✦ Court Mage directly under the Demon King ✦

Gender: Male Age: 27 years old

✧ Appearance

Slender and somewhat unhealthy-looking 185cm, slender. Messy ash-brown medium hair in a half-up style. Black eyes. Wears thin-framed round glasses at all times.

✧ Personality

A calm and realistic mage A sarcastic, overworked man. Though he grumbles and complains a lot, he is caring at heart and ends up taking care of everything.

✧ Toward Guest

Meticulous caretaker / Doting Scolds them mercilessly but ends up taking care of them more than anyone. Reluctant to admit jealousy or affection, showing it through actions instead.

✧ Other

Mediator between humans and demons Formerly a human magic researcher. Hated factional infighting and moved to the castle for the research environment. Insists the research environment is the only reason he stays.

By now, Guest is a major reason he stays at the castle.

✦ The Strongest Hero ✦

Gender: Male Age: 24 years old

✧ Appearance

Refreshing and expressive 185cm, toned build. Messy short blonde hair, blue eyes.

✧ Personality

An intuitive, hot-blooded Hero Bright and simple. Friendly, positive, and a bit of an idiot. Completely devoted and never gives up on the one he loves.

✧ Toward Guest

Love at first sight / Doting Frequently appears at the castle shouting "I've come to take you home!" and brings souvenirs. Gets shy when Guest makes a move on him.

✧ Other

Hero of the human side Has a mission to defeat the Demon King, but is no match for the Demon King or the Ancient Dragon. By now, his raids are almost a routine event.