If you're looking for anime similar to Cocytus, you might like these titles.
Shy, athletic Sumika is in love with her bubbly friend Ushio. However, Ushio is outwardly attracted to cute girls, something she never calls her friend-turned-admirer. Keeping her tender feelings a secret from the one she loves, Sumika continues to be Ushio’s confidante and companion, hoping that someday she can say how she feels. Whether it’s having a first kiss, cooking a meal or confiding in each other, Sumika, Ushio, Tomoe and their friends will experience the everyday joys of a quiet school life and touching romance together.
Lillian Girls’ Academy is about to have its school festival, and members of the student council are preparing for the event. As per tradition the yamayurikai are putting on a play with the help of the nearby Hanadera boys’ school, and this year Yumi and her brother Yuki are playing the lead roles. While it is hoped that all will go without a hitch, problems arise when Kanako’s hatred of men leads her to become unhappy with her participation, and Touko quits the drama club following a disagreement with a senpai. With Yumi attempting to resolve her juniors’ situations, she finds she has no time to plan for the anniversary of becoming Sachiko’s petite soeur; though all she can think about is her impending need to find a soeur of her own once the festival ends. Once Yoshino decides to hold an audition to find her younger sister, will Yumi be able to use this situation to finally decide upon a petite soeur of her own?
The season has turned to spring, and it's graduation time for the Rosas of the yamayurikai (the student council). While graduating is step towards a greater future, it also forces the girls to sadly part with their petite soeur. In addition, the en boutons, who are next to become full-fledged Rosas, now have to shoulder the full responsibility of the student council. With the new first year students lined up to attend and the soon-to-be-alumni on their way out the door, this truly is a season of change...
Shy, crybaby Fumi has just transferred into Matsuoka Girl’s High School, in the city of Kamakura. It’s been ten years since she moved away, leaving her dear friend Akira behind; and soon, the two are reunited once more. Akira is now attending Fujigaya Girls’ Academy, though she and Fumi still manage to see each other regardless. Between classes and social engagements, the two will experience love, the struggle to admit one’s true feelings, and the joy of companionship.
For the young women at the Lillian private school for girls, nothing is more prestigious than Rosa Sinensis, Rosa Gigantea, and Rosa Foetida, the beautiful and talented women who head the student council. When a young girl named Yumi's path is intertwined with Sachiko, a successor to the council, things will never be the same for the both of them. Maria-sama ga Miteru is a quiet tale of forbidden romance, friendship, and the everyday life of a school girl.
Yuu has always loved shoujo manga and awaits the day she gets a love confession that sends her heart aflutter with bubbles and hearts, and yet when a junior high classmate confesses his feelings to her... she feels nothing. Disappointed and confused, Yuu enters high school still unsure how to respond. That's when Yuu sees the beautiful student council president Nanami turn down a suitor with such maturity that she's inspired to ask her for help. But when the next person to confess to Yuu is Nanami herself, has her shoujo romance finally begun?
Hazumu is a shy and quiet boy who loves flowers and is forced to rely on his tomboy childhood friend Tomari as a bodyguard. Yasuna is the prettiest girl in school but she avoids men like the plague… until she meets Hazumu. Encouraged, he confesses his love; heartbroken, he heads for the mountains to be with his flowers. As if Hazumu’s troubles aren’t enough, his day is further ruined when an alien ship accidentally kills him. Luckily, alien technology exists that can revive him, but not without a price: Hazumu returns from the dead, but in the form of… a cute girl?!
Known for skipping class on the regular, two girls lives become intertwined when they find each other on the second floor of the gym. From there, Adachi and Shimamura’s friendship slowly grows as they play ping-pong and hang out. But when something happens that changes their relationship, how will they react?
Shy, reserved Yui Yamada is a budding horticulturist who is responsible for caring for her high school’s greenery. While tending to her campus’ morning glories, Yamada has a chance encounter with the vivacious, sporty Tomoka Kase, star of the girl’s track team. Yamada and Kase could not be more different and they have a lot to learn about one another, but as their friendship grows, their feelings begin to blossom into something more…
Bubbly, energetic first-year high school student Himari falls head over heels for her senpai Yori after hearing her band perform on the first day of school. Himari tells Yori she just loves her, and, to Himari’s surprise, Yori says she loves Himari back! But when Himari realizes that she and her senpai are feeling two different kinds of love, she begins to ask herself what “love” really means…