One spring afternoon,、only Ooga Riku (name subject to change) has transferred to Tsumugino Private High School,、and for some reason young students are chasing him. Gripped in his hand is a cat-earred headband, and because of the pursuing party, Riku runs from place to place, thinking his innermost thoughts.
"Why am I the only one like this!"
Nevertheless, Riku's soul screams、 causing the heartlessness of the young student's roar to cease to a close.
"Amamiya-san, anybody and everybody mustn't take over!"
......Below one's eyes spreads the ocean and upon a slightly elevated hill the mammoth-size school is to be built, the stage of Tsumugino Private High School will unfold in this romantic comedy, "Tokimeki Memorial ~Only Love~"
An exchange student who's main characteristic is nothing special, a young student "Ooga Riku" focus is his friends, and the students of Madonna Academy's whose heart's experiance can be described as that of a encouraged, bustling high school student. Without knowing why, every day troubles tend to swallow up Ooga Riku.

Can we expect Riku to encourage himself and lead a high school life?
And can he find love with the flawlessly beautiful girl "Amamiya Sayuri," the robust daughter who loves to love, "Kasuga Tsukasa," or the younger sister type and swimming girl, "Yayoi Mina?"
Living one's life now as a high school student, a person who was formally a high school student、and someone who will become a high school student、a true new feeling of a high school student's significance, a new world of "Tokimemo" is beginning!

The main protagonist of the story. A second-year student at class 2-A. Before transferring to Tsugumi, Riku used to live in a snowy harbour in the northeast of Hokkaido. He is often a target of a series of bizarre events and races administered by the school council. Also, he is the object of affection in the eyes of the three main heroines.

Age: 16

Blood-type: A

Birthday: September 17

Height: 162cm

Weight: 46kg

One of the main heroines. A second-year student at class 2-A and Riku's classmate. Graceful and intelligent, Sayuri is an extremely popular girl at school, and is talented in academics and sports, often being the subject of admiration from several of the school's male students. Numerous legends have been told of the greatness of her actions in the past year. She is deeply in love with Riku, though she has been hiding her true feelings from everyone's knowledge, including Riku's.

Age: 16

Blood-type: O

Birthday: November 25

Height: 157cm

Weight: 45kg

One of the main heroines. A second-year student at class 2-B, Tsukasa is a highly skilled member of the school's volleyball team. She is a believes in destiny, and falls in love with Riku almost immediately after bumping into him one day.

Age: 15

Blood-type: AB

Birthday: March 11

Height: 148cm

Weight: 39kg

One of the main heroines. A first-year student at class 1-C, Mina is a member of the school's swimming team. She loves dolphins and is quite shy. Riku first meets her in the school library, helping her reach a book about dolphins, and later coaches her to help improve her swimming times. She is secretly in love with Riku, though she is very nervous to confess her true feelings to him.

Riku's classmate and friend. He collects and stores data on several girls of the school on his laptop, and often has numerous legends about Sayuri to share with Riku and his friends.

Riku's classmate and friend, nicknamed Icchi, often seen with Yūsuke.

(She's the 2nd girl from the left side with the orange hair)

Riku's classmate. She is a member of the school's volleyball team, and is good friends with Sayuri, Tsukasa, Yūka, Sakura, and Tsubaki, often concerned with their well-being.

(She's the 3rd girl from the right side with a brown hair)

Riku's classmate. She is good friends with Sayuri, Ayame, Sakura, and Tsubaki.

(She's the 3rd girl from the left side with a long hair that have a yellow ribbon)

Riku's classmate. She is a member of the school's swimming team. She is good friends with Sayuri, Ayame, Yūka, and Tsubaki.

(She's the 1st girl form the left side with a black hair & an eye glasses)

Riku's classmate. She is an honor student. She is good friends with Sayuri, Ayame, Yūka, and Sakura.

Riku's classmate, who sits next to him in class. He might appear to be cold and distant from his other classmates, but is far kinder and warmer than he appears. His hobbies include painting and caring for small animals.

Riku's classmate, who sits next to him in class. Very large and muscular, he often wears a shirt with the name Maddog etched on it. Swearing to protect Sayuri from other boys, he introduces himself to Riku by trying to hurt him, (but is instead severely beaten by Hiyokokko), thus being convinced that Riku is worthy enough to protect Sayuri. He is now often seen with Riku and his friends.

The school council president, who is often engaged in arranging several strange and bizarre events, often involving Riku as the target.

The captain of the school's baseball team. Extremely hyperactive, he is an extremely determined sportsman not willing to concede defeat to anyone. He has a very dangerous fastball pitch.

The captain of the school's track and field team. An extremely fast runner, Kamino is a narcissist who thinks extremely highly of himself.

The captain of the school's swimming team. A fast swimmer, skilled in the butterfly stroke, she is quite sensitive on the subject of her large and plump breasts, which are often the object of deep admiration from several of the school's male students, who queue up behind the swimming complex inching to get a glimpse of her.

The captain of the school's female volleyball team. A strict leader, she is highly skilled in volleyball and has a very powerful spike.

The homeroom teacher of class 2-A. Very supportive and gentle, she gets along very well with her students.

The home economics teacher, who is quite supportive and gentle. She has helped Tsukasa improve her cooking skills.

The science teacher. Often wearing a surgical mask, he is apparently quite concerned with the students' health, often designing numerous experimental drinks to assist them. He's also quite the inventor, as he made an advanced robot sphere-shaped garbage collector, but it went out of control and was possessed by an evil spirit.

The drama and music teacher. Quite harsh on the assessment of her students' singing and acting abilities, she believes Riku has potential to be a talented actor.

The literature teacher, who appears to be quite ill.

The gym teacher. Armed with a massive temper and a wooden kendō stick, the students have nicknamed him Akaoni-sensei (赤鬼先生, Akaoni-sensei? lit. Red demon teacher).

The computer science teacher. Very supportive and intelligent, he gets along very well with his students.

The school's female doctor, who is quite calm and composed, yet with an attitude.

The busty school secretary who is really in charge of the high school instead of the headmaster.

The school's headmaster. An old man with thick glasses and a reddish nose, he is often interrupted by the secretary when trying to speak.

The young cafeteria lady, who often wears a kind smile while making lunches for all the school's numerous students, who affectionately call her Onē-san, a respectful word for sister. She can be subject to a dark streak of anger when her food is damaged. she tends to con the customers and students into buying faulty merchandise or working.

A tiny, intelligent and extremely strong baby chicken, which has the ability to speak by saying Peeyo. It often helps and assists Riku, who is the only one can understand its speech.

A first year female student. She was saved by Inukai from a group of delinquents, who tried to accost her in a park, and thus seems to have developed a crush on him. She is affectionately called Mo-chan (もーちゃん, Mo-chan?) by her friends. She is good friends with Mina.

A mystrious magical goddess who has a mission to cleanse evil spirits away and helps people in need. She has an afro and a long broom. Kind of a klutz, she accidentally bumps or tips the piled-up garbage and falls on her, which she lost her memory from shock according to Naomi Hoshina, who took care of her. She recovered her memory when one of the robotized, sphere-shaped garbage collectors, which it was possessed by an evil spirit, discharged an old T.V. set at her, knocking her down almost senseless. Later, she cleanses the evil spirit from the robot by using her magic, when it was about to harm Riku, Tsukasa, and Mina.

Riku's childhood friend and very popular teen magazine cover model who just "transferred" to Tsugumi. Yukari claims that she had a great and memorable childhood with Riku, but Riku objects and say otherwise about his childhood with her. Also claims, when speaking with Sayuri, when she quits being an idol, she might make Riku her boyfriend. She appears in episode 14.

A rockstar in the school's cultural festival. He appears in episode 17.

A female singer in Metal Ryuk's concert. She appears in episode 17.