Suzu, a university student, has a boyfriend who is three years older than her and is working.
However, he, Taka, is a reserved man who doesn't express his emotions very openly. He's always the one to contact her or ask her out on dates. Even
at night, he

seems distracted and absent-minded. Attracted by his genuine demeanor, she aggressively pursues him and gets him to date her, but she can't be selfish. Suzu then learns he's busy at work and asks her to refrain from calling him.

"I knew he was that kind of person, but... his love... his love isn't enough..."

Even though she knows he's not the type to lie, and she knows he really is busy at work this time, she can't help but feel anxious when they don't see each other for days. She
worries that one day "Taka" will tire of her and leave her.

Unable to shake off this anxiety, she is tempted by a product she sees online and purchases it.
That product... an aphrodisiac...