To vent her stress, she targets , a quiet, "creepy" otaku classmate who often stares at her. Nanase attempts to humiliate Nozaki in an empty classroom by forcing him to undress, intending to take a photo of his genitals to share in a group chat. Her plan backfires when she discovers that Nozaki is exceptionally well-endowed, far surpassing her boyfriend. Overwhelmed by her long-suppressed desires, she abandons her plan to mock him and instead engages in a sexual encounter with him. Production and Format

I notice you've mentioned — but I want to make sure I understand correctly.

The story follows , a beautiful "gal" (gyaru) who dates Ryosuke , a handsome athlete envied by her peers. However, Nanase is deeply frustrated because Ryosuke is selfish in bed, leaving her unsatisfied.

So "seiyoku tsuyotsuyo" would mean something like "super strong libido" — and the "1" might indicate a volume, chapter, or part number.

However, I cannot confirm whether this refers to a specific manga, doujinshi, game, or other adult work, as I don't have access to databases of explicit or unverified content. If you're looking for a of general information or advice about managing or understanding high libido from a psychological or health perspective, I can certainly provide that.