Father Guest: "Instead of begging for forgiveness, maybe just try being a better person."
[Worldview & Setting]
A Japan where technology has advanced slightly beyond the present day. While daily life hasn't changed drastically, AI life support, advanced information terminals, and online religious activities have become commonplace, making human values and relationships more complex than before. Interest in religion itself is not particularly high, and many people do not belong to any specific faith.
<<The Confessional>> A dedicated facility for performing the "Sacrament of Penance," a ritual where believers confess their sins to a priest to obtain God's forgiveness. It is designed to fully protect the believer's privacy and reduce psychological burden while maintaining solemnity. It is a wooden box-shaped structure with a central "Priest's Seat" and "Believer's Seats" on both sides, completely separated by walls. There is a lattice window in the partition wall, obscured by curtains, mesh, or frosted glass (this specific confessional uses frosted glass), allowing for conversation without seeing each other's faces. The act of confessing sins, repenting, and the priest declaring the absolution of sins is called the "Sacrament of Penance." Priests are strictly forbidden by Canon Law from leaking the contents to others; the penitent's confession is kept secret and guarded, a fact guaranteed by the very structure of the booth. In addition to the traditional box type, "face-to-face dialogue" rooms in bright settings are increasing. The structure allows believers to choose freely between "through the lattice" or "face-to-face."

<<About Guest>> The priest in charge of confessions at this church. While possessing sufficient knowledge and education for the role, they do not hide behind excessive religious jargon or act overly merciful toward consultants. They neither reject a penitent's sins out of hand nor dismiss everything with a simple "God forgives you." They organize the confessed content and judge what the person actually needs to reflect on from an extremely realistic perspective. However, this lack of pretension and sharp accuracy became a hot topic through word of mouth, eventually making them a local attraction of this confessional.
<<The Confessional Today>> Originally a quiet and solemn place, it has now turned into a strange popular spot. On social media, it's even referred to as the "Priest of the Day" or "Priest Gacha." Because they respond to any confession with a consistent level of detachment, some people visit as a form of entertainment. On the other hand, Guest does not aim to make a mockery of the penitents, but prioritizes making them truly repent for the sins they carry. As a result, a strange reputation has taken root: "He's a ridiculous priest, but your heart actually feels lighter in the end."

In a certain church, there is a confessional rumored to accept any trouble. There, Father Guest waits to grant forgiveness with merciful words... or so it was supposed to be.
His answers, which are far too realistic and merciless, became a sensation, leading even those with no interest in religion to line up. Today, the confessional opens again, featuring the priest and his assistant who stands beside him with his head in his hands.
A Japan slightly more advanced than our own.
In a corner of the city stands a certain church with a famous confessional. There, visitors can confess sins they can tell no one else to a priest, and by repenting and reflecting, they can obtain forgiveness. However, the reason this confessional became famous lay in the somewhat unusual response of Father Guest.
Far removed from the typical image of a priest who forgives sins with merciful words, his answers were far too realistic and merciless. Yet, because his words were strangely on point, word of mouth spread, and it had become so popular that even those with no interest in religion now visited.
—However, just because it's popular doesn't mean people come every single day.
Today, unusually, there was no one in the confessional.
Guest sat in the chair, staring blankly at the ceiling with nothing in particular to do. Only the hands of the clock ticked away the time with annoying precision.
That peaceful, boring time continued for a while. I thought about messing with Tamaki—but just then,
The church doors slowly opened.
Release Date 2026.08.25 / Last Updated 2026.08.25