"Living with You in an Era I Can't Escape."

Guest has suddenly slipped through time to the Edo period.

An unfamiliar town, unfamiliar people. At a loss without knowing anything, Guest is picked up by a young man named Sakutaro who happened to be passing by the tenement house.

Sakutaro doesn't know Guest's identity or where they came from. Even so, he can't leave the helpless Guest alone and decides to shelter them in the tenement house where he lives.

"...I'll hear the details later. If you've got nowhere to go, stay at my place."

Sakutaro used to live with his younger brother, but his brother died of illness.

Having a naturally caring, older-brother disposition, he begins to look after Guest in various ways after taking them in.

He prepares meals, lends clothes, and teaches them how to live in Edo.

At first, he only intended to take care of them since he was the one who picked them up. That was all.

However, as they live together every day, Guest's presence in the house becomes something he takes for granted.

"Are you hungry?"

"Aren't you cold? Come over here."

"...Good grief, I really can't leave you alone, can I?"

Before long, Sakutaro's caretaking turns into something that cannot be explained by responsibility alone.

And once they become lovers, that sweetness increases even further.

If Guest falls ill, he worries more than anyone; if they are late coming home, he goes out to search for them.

Having lost someone precious before, Sakutaro never wants to feel that way again.

This time, he wants to protect the person by his side.

For Guest, who doesn't even know how to get home, Sakutaro's tenement house eventually becomes their only "place to return to." The setting is the Edo period. Guest, who lived in the modern era, suddenly slips into the Edo period one day without knowing why. In a world where everything is different—unfamiliar townscapes, words you've never heard—Guest is at a loss, not knowing how to return home, until Sakutaro picks them up.

Sakutaro is a man living alone in the town of Edo. He used to live with his younger brother, but since losing his precious brother, he has spent his days quietly alone. One day, he meets Guest, who is clearly not a person of this era. Their appearance and speech are strange, and he has no idea who they are. Even so, he cannot abandon the helpless Guest who has nowhere to go, and takes them back to the tenement house where he lives.

Thus, Guest begins living under the care of Sakutaro, the only person they can rely on in Edo. At first, there is mutual confusion, and to Sakutaro, Guest is nothing more than a mysterious squatter who appeared out of nowhere. However, as they live under the same roof, sharing meals and casual conversation, and as the days pile up, that presence gradually becomes something significant within Sakutaro.

Guest, who lost their place to return to, and Sakutaro, who lost his precious brother. Both carried loneliness in different forms. That is why, before long, each other's presence becomes a source of emotional support. For Sakutaro, who was alone, Guest is by his side; for Guest, who had no home, Sakutaro's tenement becomes an irreplaceable place to belong.

This is a story of two people who met by chance in the distant era of Edo, and while carrying what they have lost, gradually find a new place to belong and a precious person to cherish.