Season 1

Upon visiting her friend, Run, to tell her she managed to get into her high school, Tooru finds her in a compromising position with one of her classmates, Yūko, who Tooru takes an instant disliking to. School soon begin…

Run gets into a little trouble when she forgets to put on her underwear in the morning. Yūko goes into a little panic when Run collapses, though it turns out to be just a bit of sleep deprivation. After having to deal w…

In her first year class, a classmate named Yutaka becomes overly friendly towards Tooru, which bothers her a bit. Meanwhile, a new health teacher, Mr. Satō, becomes attracted towards Run due to her forehead, which natur…

As the students clean the school up, Miho gets to know Tooru, much to Yutaka's chagrin, while the other girls have some fun cleaning the pool. Later, Nagi becomes concerned that she's gaining weight and goes on a diet, …

After noticing the first years hanging around the pool, Run suggests a trip to the beach for summer vacation. Yūko and Nagi go swimsuit shopping, while Run gives Tooru her swimsuit from elementary school, do to Tooru's …

Run ends up giving Tooru an undesirable haircut, but manages to fix it into something she appreciates. Tooru has trouble dealing with her erratic teachers while Yuko mistakes Yutaka's way of dusting out her neckerchief …

The girls go to a karaoke bar, where Tooru is nervous about singing in front of Run, but Run helps her out by singing a duet with her. Later, the girls go to a matsuri festival, where they become so engrossed in one of …

As summer vacation ends and school resumes, Tooru's homeroom teacher, Ms. Kito, is unusually energetic. Meanwhile, Yutaka continues to harass Tooru, with Miho explaining why they became such fans of her. Later, Tooru an…

As Halloween approaches, the girls decide to hold a small get-together. Nagi receives a strange plush doll from Run, which she has trouble identifying. While Run and Yūko attempt to make food for the party, with messy r…

As Winter settles in, Tooru finds an abandoned kitten and decides to take care of it. After showing the cat to the others, Tooru goes with Run to visit a pet shop and a family restaurant, where Run comes with a name for…

As Tooru's birthday approaches, Run remembers how Tooru helped her study for her high school entrance exams two years ago. Run brings in some cake into school for Tooru's birthday, some of which she spikes with wasabi. …

Tooru is worried about the prospect of being left alone after Run and the others eventually graduate. While cleaning up leaves, Yutaka attempts to rescue a cat stuck up a tree. Later, Yūko collects point cards at a fast…