Touzen, Imouto ni wa Naisho de♥
Manga · 2006 · 10 chapters
7.19/ 10 · from 1 source
It all begins with Tomoki and Tsugumi Kirihara, two siblings who have a really "close" relationship, as the history develops more girls will want to have a piece of what these two have to give.
Why this rank?
Every source below feeds the aggregate, weighted by votes and reliability — see the full methodology. No black box.
| Source | Score | Normalized | Votes | Rank there | Updated |
|---|---|---|---|---|---|
| MyAnimeList | 7.09 | 7.09 | 335 | — | 7/9/2026 |
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