HINABASEPLUS is an information and reference website focused on Japan’s Sakamichi idol groups, bringing together data on Nogizaka46, Sakurazaka46 and Hinatazaka46. Developed from the Hinabase database dedicated to Hinatazaka46, the site was expanded to make member and music information easier to explore by group or across groups.

Visitors can search for members by name or reading, look up songs, and browse profiles, participating tracks and other group-related data. The site also offers tools and reference pages, including cross-group member comparisons, a composer index for finding songs by songwriter, birthday and membership timelines, a map of members’ prefectures of origin, and a search for members’ penlight colors. Additional features include conversational AI search for member information, updates on official and related YouTube videos, and links to associated apps.

HINABASEPLUS publishes recent database updates and has introduced a page presenting Aobazaka46, described as a new Sakamichi group. Its organized resources serve fans seeking a convenient way to explore group histories, members and music.