[Comprehensive anime, Japanese light novel, slow-paced, currently involved in the series "Borrowing Girlfriend", "A Silent Voice", "Rascal Head" and so on] He is the childhood sweetheart of the hearing-impaired girl Nishimiya Shoko, and he directly fought back against the school bullying suffered by Shoko; he is a loyal fan of the best-selling light novel author Kasumi Shiko, and the sales of "Love Metronome" have skyrocketed because of him; he is the childhood playmate of the well-known backstage painter Kashiwagi Eri, and he agreed to let her be his exclusive painter;... Itsuka Yuuto traveled to the world of comprehensive anime and obtained a system that calls itself a "love simulator". He thought it was an ordinary text game, but the system threw him directly into the simulation world! "Wait, why do I have to die every time the simulation ends?" "System, didn't you say that the simulation world does not affect reality? Then what's wrong with these people!"

Good news: I've been transported to a world of anime! Good news: I'm no ordinary person, having directly inherited a high-ranking demon family—the Diablos! Good news: "Silver-haired Queen of Annihilation"—Gurefia Lucifergus—is my steward! However, only Guber remains in the family. Fortunately, I've unexpectedly gained access to the [Great Collector] system. Collecting valuable items will earn you rewards. Collecting items that qualify you as a Child of Fortune will unlock hidden rewards! ... Before Guber can even begin to unleash his power, he's invited to join the Wanjie chat group. ... Day 1: Collect Tendo Ryukenki and grant him the "Soldier" chess piece. Day 2: Collect King-level Assassin and grant him the "Soldier" chess piece. Day 3: Collect the Empire's strongest general and grant him the "Chariot" chess piece. ... Day N: Collect the Silver-haired Queen of Annihilation and grant him the "Queen" chess piece. ... To revive the Diablo family, Guber resolves to keep busy. After several years, the number of beautiful girls around him inevitably increases. ...