Online forums and database sites (like JAVLibrary or R18) rate ADN-535 highly not for explicitness but for "replayability"—a metric that measures emotional impact. Fans often cite two reasons for its longevity:
Kana infiltrates a forgotten lab near Hiroshima, where her husband’s notes reveal ADN-535 was a joint project between the government and a shadow corporation, Atta Industries . Named for Attaque (Attack) , the project’s clones are designed to carry out assassinations using the intimate knowledge of their originals’ relationships. The lab’s data shows Kana was Takeru’s control group—her DNA was used to stabilize the clone’s human side. But Takeru, horrified, tried to upload the project’s destruction… into Atsushi. The fire was a failed attempt to erase it. Morisawa Kana - Widowed Sons Wife ADN-535 -Atta...