Webtoons

after a man moves into a new house with his father, he finds a staircase in his room's wall leading to a small space. He starts getting flashbacks of his old deceased friend who used to save him from bullies.
During boredom in the middle of the night, he tests out an old phone he found in the extra room. The person that picks up the phone has the same name as his dead friend....

Daily life of roommates. One is perfectly normal, the other is a cute boy with cat ears that can shape-shift into any species of kitty!

Crossbreed of a fox boy runs away from his wolf family for ten years, as he feel he is despised. He makes a promise to his brother (Ye Seung Gang) to come back in 10 nights when he was younger. The brother has grown up to develop a slight brother complex.

a 17 year old wants a normal high school career. But that never works, so he ends up being late and has to sit next to a psychopath he just met