Mob knows the golden rule of this world: chance encounters ignite romance. He suddenly starts working out, but an unavoidable contact situation arises, leading to...

Amidst the intense and bittersweet cosplay battles at a Halloween party, Mob finds himself captivated when a perfectly adorable Little Red Riding Hood appears before him. He can't help but be drawn in, but...

Mob, who has a sense of smell so sharp he can guess an entire breakfast menu just from the scent, detects the "scent of love" from classmates at university who are using the same shampoo fragrance. But...

In this world where even the cafeteria has handsome older men, Mob encounters a crying middle school girl... no, a cute middle school boy on his way home.

Out of the blue, an unfamiliar high school boy named Hatano appears before Mob and confesses, "I like you." Hatano then begins sharing an unforgettable memory, asking, "Don't you remember me?"

To avoid the powerful "flag" that Hatano represents, Mob devises various plans to pair Hatano with his brother Ayato's (#Yutaro) friend. However, things don't go as smoothly as he hopes...

Hatano calls Mob out, saying, "There’s something I want to talk to you about." Revealing that he is underage, Hatano declares, "I’ll confess again in three years," before running off.

Mob visits the high school festival where a group of boys is performing "Cinderella" on stage. With a camera in hand, Mob waits for his younger brother Ayato's turn to perform, but...

There are many ways two people fall in love, from sharing an umbrella on a rainy day to moments of tipsy spontaneity. Mob casually asks Ayato how he and Tojo ended up together, but...

"Could you help me out a bit?"—this simple request for assistance marks the beginning of a BL story. Mob, who had been keeping a low profile, finds himself asked to be an extra in a certain filming project.

Mob and Hatano reunite unexpectedly. Due to an accident, they suddenly find themselves cast as the lead characters in an independent film. Mob is bewildered by his sudden promotion to a main role, but...

After finishing the filming, Mob and Hatano seem to grow a little closer. However, Kikuchi, who has temporarily returned from studying abroad, appears before them. Could this be an unexpected love triangle?! Will this "flag" be avoided or not?