It's hard to say for sure. Sometimes it depends on various factors like popularity and production decisions.
The possibility of a continuation depends on a number of things. If the manga has enough material and there's enough demand from fans, a continuation might happen. But it's not guaranteed as it also involves financial and scheduling considerations for the production team.
Well, whether there'll be a continuation of the Deadman Wonderland anime based on the manga is uncertain. A lot of it hinges on the manga's ongoing success and the interest of the studio. If they see potential and have the resources, it could happen, but it's not a given.
A practical answer is Chapter 228, because it turns the idea into a concrete scene. The chapter opens with Huo Ziyang had not stepped out of the house for a whole week., adds pressure through She would never allow such scum in her family!, and ends on Why did you hit Ziyang?" Huo Xuan, one hand.
Look to Chapter 197 for the clearest answer. It begins with Seeing that no one cared about what she said, Su Yinwan immediately felt..., keeps building through Then she wanted to attract everyone's attention back, looking directly at..., and lands on Wen Jiaojiao, aren't you underestimating me?.
Chapter 173 is the strongest chapter-level answer because it starts from Jiang Li finally rose from her seat. and follows through on Yet Miss Su went out of her way to ask me not to be angry..
A practical answer is Chapter 170, because it turns the idea into a concrete scene. The chapter opens with Watching the two who had long remained silent, the PD shifted his position..., adds pressure through I really want to see the chaotic scene!], and ends on [Didn't the other guests also do.
If you want the clearest chapter reference, go to Chapter 207. Early on, After finishing, Sister-in-law Lan quickly took out the Good Evaluation...; later, the chapter leans on Su Yinwan didn't feel anything amiss and shyly lowered her head, fully....
The best chapter pointer here is Chapter 243, "How Could It Be Her?!". It opens with Hahaha, the young master's face has gone white, but I got a scare just now... and closes on Perhaps feeling that the atmosphere had become unbearably tense, Director....
A practical answer is Chapter 178, because it turns the idea into a concrete scene. The chapter opens with Wen Jiaojiao is just too unreasonable, why does she have to single out..., adds pressure through The gifts were guaranteed to please everyone, and with this, the beloved..., and ends on Let's.
Look to Chapter 204 for the clearest answer. It begins with Su Yinwan didn't move, but Director Qian turned around, ran to the..., keeps building through Seeing this, Su Yinwan clenched her fists in frustration., and lands on Jiang Li immediately met their gaze, her icy and indifferent look....
If you want the clearest chapter reference, go to Chapter 239. Early on, I can't believe it, I thought the live broadcast was over, but here's a...; later, the chapter leans on Now, they have to vote for who transformed the most successfully..
The best chapter pointer here is Chapter 191, "Sister, Jiang Cheng is bullying me!". It opens with This change made Jiang Cheng extremely uncomfortable. and closes on Meanwhile, Jiang Shixu was staring intensely at the fragments on the floor..