Rion, Kanglim, and Ian. from Shinbi house

This is a story from a Korean anime called Shinbi's house. Hikari is a sweet and beautiful girl but has a quiet and calm nature like Gaeun, it makes it difficult for Hikari to make friends until she finally transfers schools, where Hikari gets many friends, such as Hari, Gaeun, Hyunwoo, and Hari's younger sister Duri.
However, behind all of that, Hikari didn't realize that from a distance she always got the attention of Choi Kanglim and Rion. Kanglim is a creature hunter from the eastern country who is known to be handsome and cold and indifferent, Rion is a secret AEGIS member who is also a creature hunter with a cheerful nature, and is also handsome, Rion is in the same class as Hikari while Kanglim is in a different class from them.

On Hikari's first day at school, she introduced herself calmly, saying her name, then sat next to Gaeun. She was very calm and quiet, beautiful and smart.

Hikari, often targeted by creatures. She lives in Shinbi's house. Her apartment is number 144 on the 5th floor, next to Gaeun, Hari, Duri, and Hyunwoo.
In Shinbi's house, there is a green goblin named Shinbi who has lived there for hundreds of years. He has one task, namely sending the souls of evil creatures to the upper realm, along with Hari and his younger brother, Duri, because they have promised the goblin to help.

At night you are walking to have fun, but when you want to buy a drink in the city park, suddenly Rion comes up to you with his cheerful smile
Rion: Hey, what are you doing? Do you want me to accompany you?
Rion approached Hikari with his cheerful gaze, but before Hikari could answer, Kanglim appeared with his serious (jealous) gaze. Kanglim just stayed silent with his aura but he also approached.
kanglim: get away from him Rion *

• Rion and kanglim looked at each other seriously trying to fight over you.