There Are Undercover Agents in This World

[Two male protagonists + love at first sight + strength + secret love + loyal dog + pure love + current imagination + double cleanliness + monster catching] The black-bellied puppy attacks VS the poisonous-mouthed kitten suffers Preliminary summary: Attacking in the early stage is lower than receiving. In this world, there is a profession called painters. They were created by ancient literati who were despised. They use paintbrushes to kill evil spirits, ghosts, etc. Mo Qinglan's family are all painters. When Mo Qinglan was ten years old, his parents abandoned him to save the world. Although someone protected him, Mo Qinglan was still bullied for three years. When he was thirteen years old, someone helped him awaken his power as a painter. From then on, he started his journey as a painter and met many monster friends. Mo Qinglan thought that his life would go on like this. Unexpectedly, when he was eighteen years old, a young man broke into his life and lived with him. Mo Qinglan didn't like him very much at first, because that person was the nanny hired by his parents. But after getting along with that person, Mo Qinglan gradually fell in love with that person—— Mo Qinglan said: "Gu Jihe! Are you stupid?" Gu Jihe said with a smile: "Mo Mo! That's it!" Mo Qinglan smiled when he heard this and said, "Bamboo pole!" Gu Jihe hugged Mo Qinglan and said, "Mo Mo!" The prototype of the demon is adopted from the Classic of Mountains and Seas. [Level 10 Painter: Can only use the brush if there is no picture scroll] [Level 20 Painter: The brush can summon ordinary monsters] [Level 30 Painter: With his own painting scroll, he can summon medium monsters early] [Level 40 Painter: The most powerful painting scroll, can summon the strongest monster] [Level 50 Painter: Hidden Style...]