Tutor + Internet King Chapter. Main Tutor, this is just one part, it also includes Conan Chapter, Psychic Detective Yakumo Chapter, Aoki Chapter, etc., All of which are the main tutor.
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The indifferent genius boy Lan Jia Shi Yan is the night guardian of the world's number one "Vongola". As a guardian, he can always protect the family well but never shows his face. He is as aloof as a floating cloud and as mysterious as a fog, so he is called "Night".
What will happen when Vongola and his group come to Qingxue during the vacation?