Projecting Yoriichi Tsugikuni from the Start, I Terrify Muzan

High martial arts + System + fan fiction + one heroine + infinite-flow adventure What do you do when you transmigrate to a high martial arts world with a worthless F-rank talent, orphaned from the start in the worst way imaginable? Gu Qing is ready to give up, but then he binds to the Myriad Realms Projection System. As long as he completes the System's missions by projecting himself into other planes, such as anime, movies, and novels, he can earn rewards. First mission: In the Demon Slayer world, scare off Muzan before he can attack the Kamado Family. Reward: Sun Breathing + Transparent World. Gu Qing: Projects Yoriichi Tsugikuni. “What do you think life is?” Mission: Stop Akaza and help Kyojuro Rengoku survive until dawn. Reward: Physical Projection ability + innate Demon Slayer Mark. Gu Qing: Projects Doma. “Oh my~ Lord Akaza, did a mere Hashira really leave you in such a sorry state? No wonder you're only Number Three.” Mission: Kill Muzan in the final battle at the Infinity Castle and achieve the perfect ending. Reward: Improved human enhancement serum. Gu Qing: Wait at the master’s estate for Muzan, then unleash Yoriichi’s three-piece combo. Charge right in and get to work!