The best bet could be to search on websites dedicated to selling manga. Ebay or even some indie bookstores online might have the TBHK manga box set in English. Another option is to follow manga-related forums or groups on social media to get recommendations on where to find it.
Well, you could try looking at comic book conventions or local comic shops. They sometimes have rare or hard-to-find box sets. Also, check out the official publisher's website to see if they have it available for purchase directly.
Chapter 99, "Arrival! II", is the clearest early answer because it turns Great Elder White's situation into a concrete plot event. It opens with The journey to the Harad Regional Hall had been uneventful but tense... and closes on I'll announce your arrival and ensure everything is in order." Great.... The key payoff is that the chapter closes with Do support the book with reviews too. The second arc will be coming to an end very soon. Thank you all for sticking with the book.
Chapter 180, "The Field Trip Begins II", is the clearest early answer because it turns Leana's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The towering structure of the Voidcrafter's Forte loomed ahead, its... and follows through with This is unexpected." Anaya chirped in and the other two with her....
Chapter 115, "One Way Or Another", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is On the outskirts of the Southern Atholor Continent, concealed from..., but the pressure keeps building through The building's architectural brilliance exuded an aura of majesty,....
Chapter 227, "Westmont's Lord", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is The celebration carried on well into the night and even the early..., but the pressure keeps building through Damien, who had initially planned to keep things light, found himself.... Once the chapter lands on Everyone paused, turning toward the town's gate as a carriage rolled..., the chapter closes with Arielle laughed, nudging him playfully.
Chapter 53, "First Real Combat II", is the clearest early answer because it turns Damon's situation into a concrete plot event. The setup is I shall go first." Damon's voice echoed around the large hall with..., but the pressure keeps building through All eyes turned to him but the young grey-haired student simply....
Chapter 248, "Is There Any Problem?", is the clearest early answer because it turns Pendalf's situation into a concrete plot event. It opens with Damien and Pendalf clashed like two storms colliding, their fists and... and closes on His fingers closed around the chains, gripping them tightly before....
Chapter 75, "Visit To The Elderglow Academy V", is the clearest early answer because it turns Dean Godsthorn's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The door pushed open revealing two young boys. and follows through with I just had Osbourne send him to exile..
Chapter 357, "A Second Demon", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is [Kill Count: 2,027 / 5,000] [Combined Summon Kills: 1,154] Bang!, but the pressure keeps building through Damien's staff spun in his grip as he crushed the last demon's skull....
Chapter 383, "Imperial Military Invitation", is the clearest early answer because it turns Damon's situation into a concrete plot event. The setup is You won't believe what—" He stopped., but the pressure keeps building through Damon saw Miss Leana looking at him like she was silently screaming.. Once the chapter lands on We're quite aware." There was a beat of silence., the chapter closes with Dean Godsthorn smiled.
Chapter 247, "We Can Do The Introductions Later", is the clearest early answer because it turns Damien's situation into a concrete plot event. The chapter gives readers a real answer by opening on The underground fortress was drenched in blood. and ending on The table exploded as the man launched forward, his chair flipping.... In story terms, the chapter closes with Pendalf's golden eyes burned with rage., which gives battle a stronger narrative position and pushes the power growth onward.