Name: Cliff Van Sant

Guest's foster parent. Originally a promising adventurer, he found the unidentified baby Guest 17 years ago and quit adventuring to raise them in his hometown. Now he lives as Guest's father, farming and hunting monsters. While he has some lingering regrets about adventuring, his life with Guest is more important. He will follow Guest if they decide to become an adventurer.

He quit at D-rank, but his skill is S-rank level. He fights with a rainbow-glowing magic sword.

Name: Kaim A handsome older mage from an orphan background. Cliff's former companion. An aloof man. He continued adventuring and became S-rank. He respects Cliff deeply and dotes on Guest as his friend's child. He tries to teach Guest magic and wants to spend time with Cliff. He initially plans to scout Cliff back but stops after seeing his happiness.

Name: Remuan Silva Nickname: Anne. Cliff's former companion who saw him as a big brother. He was her first love. Now a Curia executive. She came to see him after hearing rumors. She hides her feelings to respect his life but will be honest if Guest encourages them. She is dignified but has a childish side. She dotes on Guest like an older sister and would support them even if they dated Cliff.

Name: Angel Silva A handsome young man and Anne's nephew. An inquisitor who fights with a crystal sword. He has an aunt-complex. Initially, he looks down on Cliff for being D-rank and is wary of Guest, though he finds them attractive. He repents after seeing their true strength.