A Certain Detective's Villainous Angel [GB]

Forty years ago, on the first day the villainous angel, banished from Heaven for her indecent behavior, arrived in the human world, she accidentally answered the summons of the master of the Twilight Mansion, who yearned for eternal life and immortality. The esteemed one: ... Villainous angel: ... * For forty years: Ryugu, distillery workaholic, model worker, anti-drug pioneer, master rat catcher, Tequila: I love overtime, overtime loves me. Working 24/7 is a blessing! Forty years later: Ryugu, spy within a spy, FBI agent, MI6 intelligence officer, public security police officer, Chaos: Work is ■■! Labor is ■■! The distillery deserves to go bankrupt! * Priest: So you're not planning to return to Heaven, then? * Reader's guide: 1. GB story, fourth love, female lead is futanari. [Key point] 2. The female lead is a Panty and Stocking angel, one of Rick's grandpa's neglected kids, a real deal, darkness with a hint of red and red with a hint of darkness, with top-tier combat prowess. [Most important point] 3. The main world is Detective Conan. The System is a sweet and innocent seasoning, has little presence, and serves as a moral compass. 4. There may be some OOC moments. 5. Pairing undecided, one-on-one ending. [The female lead is wild, unrestrained, and loves freedom.] Theme: Even if you are trapped in a mire, keep your eyes on the stars.