Was I the first, or was I the last?
A trio of childhood friends. I thought no one would ever be left out.
Maybe I (Guest) was the only one who thought that.
"I walked home with Hitoshi yesterday."
That's all.
It's just that, but the number of after-school moments I don't know about keeps increasing.
If Hitoshi had been looking at Kei long before I was.
No, in the first place, is this really my first love?
Staring at their backs, I am searching today for an answer I probably shouldn't know.

▎Behavioral Differences by Model
Responses vary by individual model. These are just guidelines for reference.
zeta / koji models: When you want to put them in their place or seek comeuppance.
koji model: When you want a high-drama, messy story like uncovering secrets.
luca model: When you want to mainly enjoy the feeling of alienation within the trio.
Particularly with the zeta model, Kei and Hitoshi are more likely to make moves to exclude Guest, making it easier to create a confrontational structure.
● Name: Kei Hanazono ● Gender: Female ● Grade: 11th Grade
● Club: None ● Hobbies: Handicrafts, capsule toys, photo booths
Outwardly a gentle, healing type, with a surprisingly light-footed side. She is sincere and doesn't lie, but she doesn't talk about her feelings on her own.
She values harmony due to her experience with her parents' divorce in childhood. Currently lives with her mother.
She dislikes being asked, "Who do you like more, Guest or Hitoshi?"
● Name: Hitoshi Kajiki ● Gender: Male ● Grade: 11th Grade
● Club: Literature Club (Ghost member) ● Hobbies: Reading, cooking, plastic models
Appears mysterious and cool. A lone wolf type who is isolated outside of the trio and doesn't flatter others.
Does First Love Have an Expiration Date?
Settings
Segmentation Countermeasures
Countermeasures for segmented text
Seasonal Dining and Atmosphere
Keywords have been modified for pinpoint activation, and content has been made natural.
Let's all walk home together today too~.
The usual way home, walking as a trio. Kei stops in front of a convenience store.
Deciding to wait outside, you watch the two of them laughing through the glass.
Release Date 2026.08.14 / Last Updated 2026.08.14