Aqua Age (1996)

At a high school full of unique characters, Tadano helps his shy and unsociable classmate Komi reach her goal of making friends with 100 people.

Yuu has always dreamt of receiving a love letter but feels numb when a boy gives her one. Confused, she starts high school and meets Touko. Will Yuu's heart finally skip a beat?

After middle school, with its bullying and nicknames, Uka Ishimori is excited for a fresh start at Hachimitsu High School. Kai Miura, a cool and uninhibited boy, sits next to her in class. Uka remembers she met Kai in middle school and with a single word, he had convinced her to attend Hachimitsu. Though he’s popular, Kai supports Uka in her efforts to fit in with her new classmates.

Renako Amaori is leaving her awkward and lonely junior high school life behind, determined to become a normal girl with normal friends in high school. Glamorous, confident Mai Ouzuka is Renako’s total opposite: wealthy, outgoing, and a literal fashion model. Against the odds, the two girls form an immediate connection. Renako thinks she may have found the best friend of her dreams…until Mai’s romantic confession sends her into a tailspin. Renako wants to prove to Mai that being BFFs is better than being girlfriends, but Mai is dead set on convincing Renako that they’re destined to be lovers.

Godai is a ronin (someone who has failed university entrance exams) living in a run down apartment house called Maison Ikkoku. Among the other residents are the nosy Ichinose, the sexy Akemi Roppongi, and the mysterious Yotsuya. The others are given to having wild parties which makes it difficult for Godai to study. Into this mayhem comes the recently widowed Kyoko as the new live-in manager. Godai falls for her, but doesn't have the nerve to tell her. As time passes, their relationship slowly develops amid life at Maison Ikkoku, despite all sorts of romantic hurdles.

So exactly what’s going to happen when Hachiman Hikigaya, an isolated high school student with no friends, no interest in making any and a belief that everyone else’s supposedly great high school experiences are either delusions or outright lies, is coerced by a well meaning faculty member into joining the one member “Volunteer Services Club” run by Yukino Yukinoshita, who’s smart, attractive and generally considers everyone in her school to be her complete inferior?

Kyotaro Ichikawa, a boy barely clinging to the bottom rung of his school's social ladder, secretly believes he’s the tortured lead in some psychological thriller. He spends his days dreaming up ways to disrupt his classmates' peaceful lives and pining after Anna Yamada, the class idol. But Kyotaro's not nearly the troubled teen he pretends to be…and it turns out Anna's a bit odd herself!

Suzuki's a high school girl in love, but the guy she's fallen for is nothing like her! While she's cheerful, outgoing, and always trying to fit in, her classmate Yusuke Tani is stoic, quiet, and doesn't seem to care what people think of him. Will Suzuki be able to overcome her anxieties and ask him out, or will she discover that opposites really don't attract?

Alya is a transfer student enjoying popularity at her new high school, often sporting a cold shoulder while earning high marks in class. She ignores her nerdy classmate, Kuze Masachika, except for when she blurts out a flirtatious line to him in Russian. Little does she know, Kuze understands Russian, though he pretends not to. Let’s see where this wacky love story takes them!

Haruka Takayama and Yū Sonoda were inseparable during middle school, but upon entering high school, they end up being seated on opposite sides of the classroom. Having to spend time with more friends, the two decide to make their relationship special by kissing each other in secret.