

Shows Like Joshiochi! 2-kai kara Onnanoko ga... Futtekita!?
Sousuke Aikawa is a part-time worker who lives in a rundown apartment building where his only consolation is that the landlord is a beautiful woman and the girl who lives above him is cute. One day though, the ceiling above him creaks and... Bang! In from the second floor, directly above him, the cute girl comes crashing down on him…!? In an erotic encounter that can only be classified as a miracle, hearts and bodies are connected by chance. Then for some reason, he starts to live with both of these beautiful women!? Under this one roof, just what exactly will become of this crowded love triangle...!?
Ranked by shared creators, cast, themes, genre, and network — not just generic recommendations.

Araiya-san! Ore to Aitsu ga Onnayu de!?
Short erotic ONA, based on manga, shares cast (Momoko Obana), intimate accidental-encounter premise in close quarters.

Overflow
Short-form hentai/erotic ONA, based on manga, accidental intimate encounter with childhood friends, same explicit tone and format.

Secret Mission - Undercover Agents Never Back Down!
Short erotic ONA, apartment cohabitation premise, based on manga, same explicit adult animation format and audience.

Mother of the Goddess' Dormitory
Homeless boy taken in by women, accidental-intimacy harem ecchi, based on manga, residential-setting close-quarters premise mirrors source.

Miss Caretaker of Sunohara-sou
Sole boy in residential building surrounded by women, kind landlady figure, ecchi harem — almost identical setting premise to Joshiochi.

Kodomo no Jikan
Ecchi comedy with explicit romantic pursuit, based on manga, shares erotic-comedy tone and overlapping fanbase despite different setting.

Love Flops
Harem ecchi with repeated accidental risqué encounters, same wish-fulfillment harem setup, school rather than apartment setting.

Yamada's First Time: B Gata H Kei
Sex-comedy ecchi with explicit sexual pursuit as central premise, based on manga, overlapping adult-leaning ecchi audience.

Girls Bravo
Harem ecchi comedy, boy suddenly surrounded by girls in domestic setting, based on manga, same fan-service-driven tone.

Sekirei
Harem ecchi with multiple women living around a single male, based on manga, fan-service-heavy, overlapping audience.

Adam's Sweet Agony
School harem ecchi where lone male is surrounded by girls with intimate scenarios, based on manga, same wish-fulfillment tone.

Maken-Ki! Battling Venus
Harem ecchi school comedy, boy surrounded by girls, based on manga, heavy fan-service; battle elements add distance from source.

Tsugumomo
Ecchi harem where supernatural girl moves in with male protagonist, based on manga, domestic/residential cohabitation with erotic undertones.

Ai Yori Aoshi
Fiancée moves into male's home creating harem household, based on manga, romance-forward with ecchi elements; softer tone than source.

Seiren
High school romance anthology with harem structure, mild ecchi; shares romantic encounter setup but much tamer and episodic.

Toradora!
Beloved school romcom with love polygon; no ecchi content but shares romance and accidental domestic proximity tropes.

Hana-Kimi
Cross-dressing girl infiltrates boys school; romantic comedy with gender-confusion encounters, based on manga — tonal cousin.

True Tears
Romance drama with a girl living in male protagonist's home; love polygon structure mirrors premise but no ecchi or explicit content.
How Good Is Joshiochi! 2-kai kara Onnanoko ga... Futtekita!??
Ratings across IMDb and TMDB, plus our verdict.