Original titleセンチネル
AliasesHave a channel to sentiment in what time of time
LengthMedium (10 - 30 hours)
DeveloperClock Up
PublishersClock Up & Dennou Club
Shares characters
LinksWikipedia (ja), Wikidata
Shops» JP¥ 3080 @ DLsite (jpn)


One month ’till Christmas Day. Students at Shigure High School are excited about it. Toru is also looking forward to it. But there is one thing that worries him: a girl who appears in his dreams. One night, the girl in his dream asks him, “Do you want to change your memories?” He recalls his childhood – he had lost his parents, and had decided to live with his younger sister. “Shall I change your memories?” Her mysterious offer turns into reality…

[Edited from Himeya Shop]

Hide spoilersShow minor spoilers | Show sexual traits


Main characters

Yorimoto Mio依元 美緒
MeasurementsHeight: 158cm, Bust-Waist-Hips: 80-56-80cm
Birthday25 December
HairAhoge, Intake, Orange, Shoulder-length
EyesCyan, Tareme
BodyAverage Height, Pale, Slim, Teen
ClothesBallerina Shoes, Blanket, Collar, Jacket, Kimono, Knee-high Socks, Miniskirt, Necktie, Pajamas, Panties, Puffy Sleeves, Ribbon Hair Accessory, School Uniform, Shimapan
PersonalityKind, Sweets Lover
RoleChildhood Friend, Classmate, High School Student, Neighbor, School Archery Club Member
Engages inArchery
Voiced byKawashima Rino


Mio was a tomboy when she was a child, but now is much more normal. She is in the protagonist's class, believing in their promise of getting married.

Side characters