Due to his psychological issues, Doppo became Jakurai's regular patient. Jakurai often takes care of Doppo, consulting him on how to deal with his bad habits. After helping Doppo and Hifumi with Hifumi's stalker, Jakurai asked both of them to form a group with him which would become Matenrō (Matenroe). The two have become friends with Jakurai finding Doppo to be an interesting person. Hifumi was introduced to Jakurai by Doppo Kannonzaka, as Hifumi had a problem with an aggressive stalker. After helping with the situation, Jakurai offered both Hifumi and Doppo to form a group with him which would become Matenrō. Despite Hifumi's nature, Jakurai is intrigued by him and is friendly to Hifu...