AniList score 59%

Synopsis
Aida Yurume is a ronin student who came to Tokyo to prepare for university entrance exam. But the place was a back district, where the address Tokyo is so ill-fitting. The residents of the apartment are Kawano Sae, a veteran ronin with straight-man character, Tanaka Kumi, an innocent-looking girl and Matsukishi, a young man looking twice as his age. The story depicts their slow and comfortable life of preparing for university.
Synopsis and metadata via AniList.
Characters

Yurume Aida
Main

Kumi Tanaka
Main

Sae Kawano
Main

Matsukichi
Main

Sae no imouto
Supporting
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AniList score 59%