Well, to determine the Bleach manga volume after the anime, you'd have to consider the point at which the anime concluded and then refer to the sequential numbering of the manga volumes. Sometimes there can be a gap, and it might not be straightforward to pinpoint exactly.
It depends on where the anime ended. You might need to check the latest release of the manga to find out the exact volume that continues the story.
The volume of the Bleach manga that follows the anime isn't a fixed thing. You'll have to do a bit of research. Maybe start by looking at the final episode of the anime and then comparing it to the available manga volumes to figure it out.
Chapter 87, "[Seeking First Subscription] Chapter 87 Attempt", is the clearest early answer because it turns Xia Chuan's situation into a concrete plot event. The chapter turns that into something concrete by moving from Moving to this side of the valley expanded not only the hunting range... to There, the Snow Mane still slept soundly.. What makes it stick is that the chapter closes with Crunch..., which gives Xia Chuan a stronger narrative position and pushes the power growth onward.
Chapter 370, "Elias's Encounter", is the clearest early answer because it turns Elias's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Only a presence that glowed behind the eyes, soft and colorless—like... and follows through with And somewhere, far beneath the stone and earth, three beings sat in....
Chapter 313, "Late Night Dinner", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is The restaurant sat just down the road from the Mercenary Guild..., but the pressure keeps building through Its wood-paneled walls and flickering lanterns made it feel more like....
Chapter 108, "Long-tailed Rodent [3-in-1 Mega Chapter]", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. Early on, Xia Hong leaped to block on Luo Yuan's left side, only exchanging a.... By the end, Leader, it's trying to run!" Before he could relax for long, Xia Hong....
Chapter 523, "I'll Tear You Apart", is the clearest early answer because it turns Damien's situation into a concrete plot event. Early on, The second collision split the clearing in half.. By the end, They fell back to the ground almost together.. Inside the broader faction conflict storyline, the chapter closes with The real battle had just begun., which gives the current arc a stronger narrative position and pushes the power growth onward.
Chapter 469, "Joining The Fight Uninvited", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter gives readers a real answer by opening on The ground shook long before the warriors saw the source of the... and ending on A summon with speed and savagery.. In story terms, the chapter closes with And he charged back into the sea of demons, with the warriors surging behind him.
Chapter 495, "You'll Make It Back In Time", is the clearest early answer because it turns Garrick's situation into a concrete plot event. A useful checkpoint is the way the scene starts with A low, vibrating bellow rolled through the trees. and follows through with I will." The forest remained silent..
Chapter 313, "Late Night Dinner", is the clearest early answer because it turns Damien's situation into a concrete plot event. Early on, The restaurant sat just down the road from the Mercenary Guild.... By the end, I arrived about twenty minutes ago." "Where were you?" "Town Lord's....
Chapter 35, "Final Victory, Sudden Change", is the clearest early answer because it turns Cold Beast's situation into a concrete plot event. The setup is Ah..." Xu Ning's piercing scream echoed throughout the cave., but the pressure keeps building through Xia Hong and the others quickly turned to look, feeling a sudden....
Chapter 384, "Separate Discussions And Discoveries", is the clearest early answer because it turns Damon's situation into a concrete plot event. The chapter gives readers a real answer by opening on The moon was just beginning to rise, casting a silver sheen across... and ending on Not quieter." And Damon, for once, didn't argue.. In story terms, the chapter closes with I promise to be consistent this time with only very few days of "no update" unlike right now where I rarely update.