Anime Crossover: The System Is Really Great

Appointed by the Heavenly Dao to manage small worlds, I get bossed around by an auxiliary System. System: Life is only a hundred years long. Host, you can't spend all your time lazing around. Host: You're really something. [Complete] Prince of Tennis, Detective Conan, pairings: Atobe Keigo, Yanagi Renji. [Complete] You Are My Glory, Love O2O, pairing: Yu Banshan. [Complete] The New Prince of Tennis, pairings: Yukimura Seiichi, Atobe Keigo, Yanagi Renji, Oshitari Yuushi. (The parallel-world bonus viewing story combining Worlds One and Three is temporarily complete in the later chapters.) [Complete] Eternal Love, The Imperial Tutor (Empresses in the Palace, Ruyi's Royal Love in the Palace), pairings: Bai Zhen, Qianlong. [Complete] Love O2O, King's Avatar (professional Honor of Kings esports), The Beginning of the Apocalypse of Sherlock Holmes (selected excerpts from Detective Conan), pairings: Ye Xiu, Zhou Zekai, Zhang Jiale, Huang Shaotian, Gin. [Complete] The World Academic Tournament begins (selected excerpts from Full-Time Magister), pairings: Ai Jiangtu, Mo Fan, Mu Bai, Zhao Manyan. [Complete] Police Honor, The Justice, pairings: Yang Shu, Zhou Yi'an, Li Dawei. [Complete] Eternal Love (World Four: Feng Loucheng (Feng Zixu)'s prequel), Ultimate Note, Tomb of the Sea, pairings: Xie Yuchen, Black Glasses, Zhang Qiling, Wu Xie. [Complete, early chapters contain gender transformation] Ye Luoli, pairings: Shui Qingli, Huo Liao Ye, Li Hui. [Temporarily complete (bonus parallel-world viewing story: Worlds One and Three)] Detective Conan, Prince of Tennis, pairings (besides Atobe Keigo and Yanagi Renji in World One, Yukimura Seiichi and Oshitari Yuushi in World Three, and Gin in World Five, additional pairings are included): Conan Edogawa (Shinichi Kudo), Morita Jinnan (Hiromitsu Morofushi), Heiji Hattori, Rei Furuya. [Complete] The Mage of Close Combat in the Online Game, pairings: Gu Fei, Young Master Han, Sword Demon, You Ge. [Complete] The Untamed, Full-Time Magister (soul transmigration in World Six), The Grave Robbers' Chronicles (Wei Ying transmigrates into a parallel world of The Grave Robbers' Chronicles in World Eight), pairings: Lan Huan (Ai Jiangtu), Lan Zhan (Mu Bai), Nie Huaisang (Zhao Manyan), Jiang Cheng (Mo Fan), Zhang Qiling. [Complete] The Untamed, pairings: Jiang Cheng, Lan Huan, Jin Zixuan, Xue Yang (a vacation trip for the manager of the Star Palace) [Ongoing] Hikaru no Go (TV drama), all pairings with Chu Ying. After hearing Chu Ying's wish, time resets and I become Chu Ying. (Viewing story in later chapters)