Profile Gallery Appellations Relationships
| Character | Name | What they call Rikai | What Rikai calls them |
|---|---|---|---|
 |
Iori Motohashi | · Rikai-kun (理解くん) | · Iori-san (依央利さん) |
 |
Terra | · Rikai-kun (理解くん) | · Terra-san (テラさん) |
 |
Rikai Kusanagi | · Watashi (私) · Big Brother Rikai (理解お兄さん) |
|
 |
Kei Sarukawa | · Rikai (理解) | · Saru (猿) |
 |
Ohse Minato | · Rikai-san (理解さん) · Master (若旦那) · Big Brother Rikai (理解お兄さん) |
· Ohse-kun (大瀬くん) |
 |
Amahiko Tendo | · Rikai-san (理解さん) | · Amahiko-san (天彦さん) · Sensei (先生) |
 |
Fumiya Ito | · Rikai (理解) | · Fumiya-san (ふみやさん) |
| Other Characters | |||
 |
Soemon Nakagami | ||
 |
Shu Torahime | · Rikai-san (理解さん) | · Tora-san (虎さん) |
| Appellations | ||
|---|---|---|
      
Iori Motohashi · Terra · Rikai Kusanagi · Kei Sarukawa · Ohse Minato · Amahiko Tendo · Fumiya Ito | ||
| Other Characters | ||
 
Soemon Nakagami · Shu Torahime | ||