Tsutsui Erkenbald
筒井 エルケンバルト
| Tsutsui Erkenbald筒井 エルケンバルトAB | |
| Measurements | Height: 186cm |
| Birthday | 1 December |
| Hair | Black, Long, No Bangs, Parted in Middle, Straight |
| Eyes | Green |
| Body | Pale, Slim, Tall, Young-adult |
| Clothes | Bow Tie, Chain Jewellery, Suit |
| Role | Butler, Royal Guard, Student Club Advisor |
| Visual novels | Side character - Sakura Tale Side character - Sakura no Shippo ~Sakura Tale Fandisc~ |
| Voiced by | Fuji Ryuusui |