Kunikida try doubtful out-of Atsushi on their coming, shown when he scolds Dazai to own using their cash on your and his suggestion having Atsushi to participate the Agency. The ideals together with conflict repeatedly when Kunikida discourages your away from trying to rescue Kyoka, telling your that he cannot help save group (most likely considering past experience unlike strict ideals).  Which, they’d make a professional rapport as compared to their first relationships.   
Because the occurrences improvements, Kunikida and Atsushi do have more out-of a coach–mentee relationship, the previous shown degree your regarding fighting styles the guy read away from Fukuzawa and you can periodically giving him recommendations.  Also, Atsushi has expanded so you can respect Kunikida since the a significant shape, to the level away from turning to his superior yet others shortly after are reunited with him in addition to Agency just after becoming fragmented from their store inside terrorism area one to framed the newest Agency. 
Are a special Institution associate, Atsushi usually wonders throughout the Ranpo’s terminology and strategies. He is surprised so you can experience Ranpo’s shortage of exactly what seems to become common knowledge, such as for example how exactly to trip a train; he also doesn’t can purchase a violation or and therefore system to go into.  Atsushi’s esteem develops to possess Ranpo when he learns more and more your, even when the guy stays confused about the man.
Although not, he’s to your friendly terminology, Atsushi heading as much as to permitting Ranpo rise for the their right back to possess a ride.  Also, Atsushi sees Ranpo’s profound concern toward President within the situations of Cannibalism, observing Ranpo’s seriousness inside the fixing the truth such as for instance they have never seen prior to. 
Into a deeper level, Atsushi retains Ranpo in the maximum admiration due to their impeccable deduction ability having aided this new Agencies many time, believing that Ranpo could even find out an instance in the place of required categorized data. Particularly someone else, Atsushi is actually leftover within the wonder assuming their deduction takes place to help you the purpose of giving Ranpo good Ramune merely to witness good deduction firsthand. 
Like any other participants, Atsushi provides an excellent level of esteem into Fukuzawa. They are a bit intimated of the severe man but still obeys your. In addition, Fukuzawa managed Atsushi such as their other subordinates, actually prepared to delay work with the fresh new purpose from rescuing Atsushi as he was once kidnapped of the Mafia, only cause he necessary preserving. 
Atsushi respects Yosano a great deal, even after being scared of this lady therapy. The guy cannot apparently brain holding her handbags and you may boxes.  The guy and admires the woman strong commonly and you can attitude.
Atsushi was married with Kenji when they investigated a car burst experience. Regardless of if Atsushi believes you to Kenji’s ways of investigating had been dubious, the guy afterwards following dismisses it and you may employs their direct. Because of naivety and just how simplistic Atsushi is, he turns out finding Kenji’s methods to getting practical, until the couple get surrounded by a team of unsafe criminals, and you may Atsushi realizes that Kenji’s measures work most effectively to have him alone because of his personality and ability. Since Kunikida states, these represent the best and you may terrible people together. 
Atsushi basic experience Kyoka as he aided Yosano in the looking. The guy later founds aside Kyoka enjoys murdered thirty-five some body and wishes to avoid destroying anybody else, then saves the woman regarding the bomb burst.  As a person who understands what she’s experienced, Atsushi significantly cares from the Kyoka regarding accompanying their once they browsed Yokohama.  The guy also attempts to include an individual tries to hurt the woman.