Can I still visit this ONIMAI spot even though Toshimaen amusement park closed?

Yes. The surrounding streets and station area remain accessible, even though the old amusement park closed in 2020 and the district has been redeveloped.

Is photography allowed around this Toshimaen scene location?

Street photography from public sidewalks is generally fine, but avoid blocking traffic, filming private homes closely, or photographing inside restricted redevelopment areas.

What is the best reference for matching the anime angle here?

Google Street View is the easiest tool for lining up the road shape and intersection depth before visiting. On site, use the broad street layout rather than storefront signs, since local details have changed.

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onimai i m now your sister toshimaen

ONIMAI: I'm Now Your Sister!

Tokyo

Episode

Ep. -

Time

Google Map

35.7431, 139.6473

Nearest Station: Toshimaen Station (Toei Oedo Line / Seibu Toshima Line)
Walk: 5 minutes on foot
Best time to visit: Late morning or early afternoon on a clear day for lighting similar to the anime
Crowd level: Moderate

Mahiro and Mihari are shown along a broad street near Toshimaen, framed by everyday urban scenery in a calm transitional moment.
This moment appears during an everyday outing scene and carries a very relaxed, natural atmosphere. After becoming a girl, Mahiro is re-encountering the outside world with a mix of freshness and slight nervousness, while Mihari, who is more at ease in the setting, brings a calm and gentle mood to the scene. There is no major dramatic conflict here; instead, the shot works as a transition that develops their relationship and the series’ daily-life rhythm, letting viewers feel the growing sense of comfort between them in an ordinary urban setting. The real-life model is the road area around Toshimaen, and the anime recreates the street width, road alignment, and general urban layout quite well, making it clear that the background was based on an actual location and then simplified for animation. As is common in anime, some real-world signage, storefront details, and traffic markings are toned down or omitted to create a cleaner image that fits the show’s soft visual style. In reality, the area has changed since the former Toshimaen facilities closed, so some buildings, barriers, and streetscape elements may differ from what appears in the anime or from when the reference was taken. Even so, if you compare it with Google Street View or visit in person, the road shape, intersection scale, and open feel of the street still reveal the connection to the anime scene.

Can I still visit this ONIMAI spot even though Toshimaen amusement park closed?: Yes. The surrounding streets and station area remain accessible, even though the old amusement park closed in 2020 and the district has been redeveloped.
Is photography allowed around this Toshimaen scene location?: Street photography from public sidewalks is generally fine, but avoid blocking traffic, filming private homes closely, or photographing inside restricted redevelopment areas.
What is the best reference for matching the anime angle here?: Google Street View is the easiest tool for lining up the road shape and intersection depth before visiting. On site, use the broad street layout rather than storefront signs, since local details have changed.