The Record Of The Flowing Flower Sword, Volume.

Blood Red: The Rogue Trilogy, Part 3. After the protagonist's death, he is reincarnated in a different time and space, becoming the son of an invincible marshal. Upon arriving in the capital, he becomes involved in the power struggle among the princes. The protagonist assists a certain prince in ascending to the throne, only to be betrayed by him. Fortunately, the protagonist had prepared in advance and supports another prince to counter this betrayal. At this moment, Chi You arrives, commanded by the Great Demon God to summon the protagonist back to the Demon Realm