|Hikawa Kaoru氷川 馨|
|Hair||Blond, Blue, Multicolored, Pink, Sidehair, Straight, Twin Tails, Waist Length+|
|Body||Big Breast Sizes|
|Clothes||Bikini, Body Ribbon, Brooch, Cowboy Hat, Crop Top, Microskirt, Thigh-high Boots, Transparent, Turtleneck Tank Top|
|Role||Not a Virgin, Older Sister|
|Visual novels||Main character - Kanraku no Arena ~In'yoku no Death Match~|
|Voiced by||Sakurai Alice|
Hitomi's older sister. She runs away after her mother is hospitalised and participates in the DATEN tournament. For three years she is the undisputed champion and is also in charge of the live commentary for matches she is not involved in.