Ordinary high schooler Kaito never asked to be caught between monster attacks and magical justice. But after a freak incident forces the heroine, , to rely on him to recharge her transformation device via a mysterious 'Download' system, their roles reverse. Now she’s the one who has to follow his commands.

An English version was released and can be found on platforms like DLsite.

The title you're looking for is likely " Seigi no Henshin Heroine o Sasaeru Ore to Aku no Onna Kanbu

Lilith is well-known in the industry for pushing the boundaries of darker themes and intricate superhero-themed erotica. 💻 Availability & Download