Otouto
| Otouto | |
| Aliases | Little Brother, Younger Brother |
| Hair | Blue, Short, V Bangs |
| Eyes | Blue |
| Body | Pale, Teen |
| Clothes | Collar, Eyepatch, Kemonomimi Headband, Necktie, Pajamas, Shirt, Shorts, Yukata |
| Role | Nameable, No Name, Non-blood-related Brother, Younger Brother |
| Visual novels | Main character - I Love You, Brother |
DescriptionProtagonist's adorable step-brother. | |