Playing Tennis with a Secret Identity in the Detective World

Note: The secret identities are affectionate and clingy with their originals; the setting is low-powered martial arts, with a little magic and supernatural ability; the secret identities don't take part in major official competitions in the main plot; all secret identities are male; this is not a crossover with the Jujutsu Kaisen universe. Best enjoyed as a carefree, satisfying power fantasy. Read with caution if any of that bothers you.

The secret identity System's goal: save the characters whose endings left us heartbroken! Sakura's Five, here I come! (That was the original plan.)

Aurora: Help, the strongest high schooler duo are beating the Generation of Miracles so badly they've started questioning their entire lives. Wait, why did the System reward me with [Land in Tokyo: Jujutsu High]?

I get it now! This is a construction game focused on tormenting people!

The torment is underway, (This is reality.)

A passing Saiki: ??? They got beaten, but their affection levels are incredibly high. Is that okay? (This is the truth.)

PS: The female lead was originally a Chinese witch in the HP world. Without her wand, she's extremely fragile. This is a parallel world next door.

There are two storylines: (Main) The female lead struggles with passion in a sports anime.

(Secondary) Her secret identities work both sides of the law in Detective Conan.

Later on, the female lead leaves her ordinary student life behind.

Theme: This idea is only a tiny bit huge, a universe between my fingers [gestures]