Succubus Appli: Gakuen Saimin 4

Trapped by his uncontrollable desires, the protagonist succumbs to the insatiable demands of the Succubus App, surrendering every drop of pleasure in exchange for forbidden ecstasy. His body trembles under the relentless cravings as seductive spirits drain him deeply, their teasing torment blurring the line between punishment and bliss. Each moan, each desperate thrust binds him tighter to their irresistible allure—his pleasure both curse and reward.