Friend A

Friend A is a close male friend of protagonist Rentarou Aijou during their middle school days.

He appears in both the original manga and the anime adaptation, specifically in episode 1.

He has no confirmed full name in the story and is usually referred to only as Rentarou’s friend.

Despite this, his design and behavior have made him surprisingly popular among some fans.

Friend A appears right after Rentarou and his classmates finish their middle school graduation ceremony.

On the way home, he walks with Rentarou and listens to Rentarou’s long and painful history of romantic rejection.

During this scene, Friend A keeps making playful and joking remarks about Rentarou’s endless failures in love.

His tone is teasing but friendly, which helps establish their casual, close relationship.

Although his actual screen time is very short, his dialogue and reactions give him a strong presence.

He serves as a kind of lighthearted commentator on Rentarou’s absurd number of heartbreaks.

Friend A comes across as laid-back, playful, and not easily shocked.

Hearing Rentarou’s “record” of rejections, he responds with a string of light, humorous comments instead of pity.

This joking attitude suggests he is comfortable enough with Rentarou to tease him openly.

He feels like the type of friend who uses humor to deal with awkward or painful topics.

At the same time, his willingness to listen to Rentarou’s story on the way home shows he does care.

Even though he makes fun of the situation, he stays by Rentarou’s side during that important milestone.

Friend A has a slightly androgynous or gender-ambiguous look, which stands out immediately.

His character design is not a typical background “mob” face; it is more detailed and individual.

Because of this somewhat neutral appearance, some fans have speculated about his true gender.

He is designed in a way that makes him memorable even though he only appears briefly.

The fact that he does not blend into the crowd visually has fueled a lot of discussion.

Viewers notice him right away and remember him far more than a standard unnamed classmate.

In the anime adaptation, Friend A is voiced by Misuzu Yamada.

The casting of a female voice actor for a male character strongly reinforces his androgynous impression.

This choice intensified fan speculation that the character might have more to him than meets the eye.

The slightly ambiguous voice quality fits his visual design and keeps him intriguing.

Despite his tiny role, Friend A has become something of a minor fan favorite.

Many viewers and readers find him easy to remember and fun to talk about.

His androgynous appearance, non-generic character design, and non-background-level presence all contribute to this.

A key line from Rentarou, “Do you have a crush on me or something?” has especially fueled speculation.

Because of this line, some fans wonder if Friend A might secretly be a cross-dressing girl.

Others go even further and theorize that he might somehow become female in the future.

These theories are entirely speculative and not confirmed in the story.

However, they show how a short, well-executed appearance can spark a lot of imagination.

Within The 100 Girlfriends Who Really, Really, Really, Really, Really Love You, there is a key “rule” about fate.

Rentarou’s destined girlfriends are said to be people he will meet in high school.

Because Friend A is a middle school friend, he falls outside this established rule.

Even Chiyo Iin, Rentarou’s cousin, never actually met him before high school for plot-related reasons.

Given this internal logic, it is considered unlikely that Friend A will return as one of the “fated” girls.

This greatly weakens the fan theories that he is a cross-dressing woman or future love interest.

That said, fans still hope he might reappear in some capacity due to his strong impression.

Even a small cameo or follow-up scene would likely be welcomed by the audience.

Friend A stands out for creating a lasting impact with minimal screentime.

His teasing dialogue, ambiguous design, and unusual voice casting combine to make him uniquely memorable.

He functions as a small but effective piece of world-building around Rentarou’s past.

By being the friend who hears Rentarou’s tragic track record, he helps frame just how extreme the protagonist’s situation is.