Kurohyō 2: the substories in Chapters 4–6
This is where several early encounters develop into longer stories. Follow the prerequisites beside each entry, especially the gang chains. If a marker is absent, check the previous episode and your current main-story progress before assuming the quest is lost.
Chapter 4: deliveries, scams and Peach
**Clothing tout: 服屋のキャッチ.** Refuse the Sotenbori tout initially, then meet him again at Iwao Bridge. Accept and win the fight; initial refusal adds the dubious necklace to the ankle-bracelet reward.
**Reformed pickpocket: スリの改心.** Get bumped on east Sotenbori Street. Continue near the nightlife dojo and defeat the thieves.
**Deliver it hot: アツアツを届けろ！.** Accept Magutako's delivery and take it to the man outside PRIME. Return payment to the vendor; delivery within roughly two minutes improves the payout.
**Hide-and-seek master 1: 噂のアイツを探せ-1.** Hear the Bishamon Bridge rumor, visit Ashitaba Park and pay ¥1,000. Search the cargo behind Yuri Clinic on western Shofukucho Back Alley; reward ¥30,000.
**Drug trial: purple tablets: 新薬のアルバイト 怪しい紫の錠剤編.** Return to Kotake after red powder. Win while injured with sustained Heat; receive ¥10,000 and vendor access to Ultra Purple.
**Counterfeit investigation: 偽ブランド品摘発依頼.** Accept Miya's Suppon Street request; wait until Ginji leaves before taking a taxi. In Sotenbori follow witnesses from Sotenbori Street through Osumi Pharmacy, central Shofukucho, Ashitaba Park, eastern riverside, parking area and Iwao Bridge to the golf center. Fight, obtain the goods and report to Miya for ¥100,000.
**Ice cream through the crowd: 人ごみをかけぬけろ.** Work at Gelateria, then deliver the vanilla cone to the office worker in Theater Square. Three collisions force a retry; reward includes milk.
**A junior's money-making offer: 後輩からのおいしい話.** Accept the Taihei Street meal invitation and question the supposed profits. Defeat Akahori; receive a protective charm.
**Diablo rises: ディアブロ決起.** After the junior's offer, investigate New Serena's rear entrance. Speak to Akagi and defeat Toki.
**9th: 9th.** Answer Toki's follow-up summons behind Serena. Fight the group on Nakamichi Back Alley and then Yamabuki.
**Peach 1: Momo and Momose: ピーチ（前編）モモと桃瀬.** After 9th, meet the woman in Theater Square. Win the fight, play the batting challenge, then find Momose in the Hotel District; collect Momo's charm and PLAYER piece.
**Peach 2: Momose strikes back: ピーチ（後編）逆襲の桃瀬.** Take Momose's call near the batting center. Fight at Theater Square, consult him outside Mach Bowl, tail the suspicious man without crowding him, then win the apartment and bowling-area fights.
Chapter 5: two cities' gangs collide
**Fake firefighter: 消防署から来ました.** Start outside Kyushu No.1 Star, then investigate Kanrai. Question the nearby staff, the ramen-shop employee and SHINE's employee; return to Kanrai and fight for the fake extinguisher and Tauriner Maximum.
**Karaoke showdown: 熱唱バトル.** Accept the challenge outside Karaoke-kan and win at Majima's song. Reward: Platinum Microphone. Guides report a successful 731-point performance but do not firmly establish the exact minimum.
**Crane-game legend: 伝説の鶴.** Enter Theater Square Club Sega after the exterior event. Clear the crane challenge without quitting midway; reward Staminan XX. Guides differ in describing the prize count, so use the challenge's on-screen objective.
**King Panther's problem: キングパンサー・悩み.** After her first episode, accept the coat at Sotenbori Ebisuya. Refuse Kamurocho Ebisuya's ¥3,000 quote to sell to Yuya at Stardust for ¥50,000, then return the proceeds. Reward: leopard-print underwear.
Helpful Links: [Chapter 四 maps and requirements](https://kouryakutsushin.com/kurohyo2wiki/サブストーリー第四章), [Chapter 4 walkthrough](https://dswiipspwikips3.jp/kurohyo2/substory04.html), [Chapter 五 maps and requirements](https://kouryakutsushin.com/kurohyo2wiki/サブストーリー第五章), [Chapter 5 walkthrough](https://dswiipspwikips3.jp/kurohyo2/substory05.html), [Chapter 六 maps and requirements](https://kouryakutsushin.com/kurohyo2wiki/サブストーリー第六章), [Chapter 6 walkthrough](https://dswiipspwikips3.jp/kurohyo2/substory06.html).
**The dreaming delinquent: 夢みるヤンキー.** Investigate the performers on western Sotenbori Street. Fight on western Shofukucho Street, revisit the performers, then defeat Kota at Ashitaba Park.
**Drug trial: yellow drink: 新薬のアルバイト 黄色のドリンク剤編.** Return to Kotake after purple tablets. Survive the reinforcements while permanently fatigued; receive ¥10,000 and unlock Ultra Yellow.
**BURAI: BURAI.** After the underground-casino story events, approach Nakamichi Back Alley. Survive successive fights, escape to Tsukahara's dojo, fight again, escape behind the Kuki office and finish the remaining encounters.
**Sotenbori assassins: 蒼天堀からの刺客.** After BURAI, approach Minazuki in Theater Square. Defeat Sanae, then fight Sennan MAD in the Hotel District.
**Storm over Sotenbori: 蒼天堀に吹く嵐.** After the casino events, receive Yumiko's message on Tenkaichi Street. Travel to Iwao Bridge, survive the battles including Kaido, then visit Hogenji.
**Kaido of Neo Bakuon: ネオ爆音の海堂清輝.** After Storm, speak to the fallen man on Shofukucho Side Street. Stop the riverside assault.
**Lovers, part 1: ラバーズ編 前編：由美子、強奪.** Meet Yumiko at Hogenji after Kaido. Fight, escape to Ashitaba Park and fight again.
**Lovers, part 2: ラバーズ編 後編：アルジェマス、急襲.** Continue on eastern Shofukucho Street. Defeat the attackers and Kuya's group, then speak to Yumiko inside Arjemas.
**Hungry, the Full King: 満腹王・ハングリー.** After eating at eight restaurants and receiving the association email, meet the men outside Sotenbori Wild Jackson and win to unlock Sumo. Read the save-bug warning first.
Chapter 6: rescue Mutsu and end WARDOG
**The homeless man and the president: ホームレスと社長.** Intervene on western Shichifuku Street, escort Nishina to Millennium Tower, then expose his impostor in Theater Square. Rewards include ¥100,000.
**Always watching: いつも見ています.** Meet Tenma on Taihei Street. Win the confrontation for Staminan X and the love letter; this opens Maomi's next episode.
**Koshi: 黄志.** After Sotenbori assassins, approach the argument on Nakamichi Back Alley. Read Minazuki's Nakamichi Street message, visit Mach Bowl and survive the WARDOG fights.
**Mutsu 1: beast in Kamurocho: 陸奥編 第一話：野獣、神室町に現る.** After Lovers part 2, approach New Serena's back entrance. Defeat Mutsu four times through the sequence.
**Mutsu 2: wandering beast: 陸奥編 第二話：放浪の陸奥.** After part 1, answer Yumiko's call. Visit Emoto Clinic, speak to Akagi at Smile Burger, move through Theater Square for the next call, then fight the masked men in the Hotel District.
**Mutsu finale: 陸奥編 最終話：決闘。立ち上がる野獣.** After part 2, challenge Mutsu near Kamurocho Hills and fight the follow-up opponent. Travel to Sotenbori's Ashitaba Park and win the remaining encounter.
**WARDOG falls: WARDOG壊滅.** After Mutsu's finale, approach Momose northwest of the theater. Follow Minazuki's message to Serena, then clear Nakamichi Street, Theater Square, Mach Bowl and Champion District; investigate behind Millennium Tower, chase Koshi and win both concluding fights.
**A brief peace: 束の間の平和.** After WARDOG, speak to the group at Gelateria and enter Mach Bowl. Leave for the street fight, then meet them near Kamurocho Hills.
**Deliver it hotter: もっとアツアツを届けろ！.** After the first delivery, take Magutako's order to PRIME and return the payment. A hot delivery improves the reward, up to ¥6,200 across the payments.
**A civilian's honor: カタギの勲章.** Watch the M Store incident, listen outside Tsuruhashi Fugetsu, then return to M Store. Chase the shoplifter and defeat the yakuza; collect healing supplies.
**Hide-and-seek master 2: 噂のアイツを探せ-2.** After round 1, accept another challenge at Ashitaba Park. Find the master on Shofukucho Side Street; reward ¥50,000.
Kurohyō 2: the substories in Chapters 4–6
· Games/Kurohyo 2: Ryu ga Gotoku Ashura-hen