The Encounter Between Me and Onii-chan!!
E1
When Chitose Sakuraba, an eleven year old girl, declares her "hots" for Hiroshi Kashiwabara she plans to skip class to go see him, but her tutor Asako Fuji stands in her way.
The Marriage Meeting
E2
Chitose finds out that Hiroshi and Kouhai are having a marriage meeting, so must stop him at all costs as that sorta thing is for desperate people (in her mind).
An Adult's Charm?
E3
Chitose tries to figure out the best way to attract someone.
Daddy's Child
E4
Misaki tries to figure out what to do for Father's Day.
Hinako in Cosplay
E5
Hinako tries on various bits of cosplay.
Sketch
E6
Asako makes some curious observations during her class' drawing lesson.
Fire Drill
E7
The school practises a fire drill.
All Together!
E8
Hiroshi's attempt to get Chitose to play with her friends instead of bothering him backfires when she brings her entire class to his office.
The Usual Days
E9
Chitose is constantly foiled in her plans to escape to the town hall to see Hiroshi.
The Teacher's Achilles' Heel?
E10
Chitose struggles to come up with a wish for Tanabata.
Tanabata
E11
The girls try to learn Asako's weakness.
The Pool Opens
E12
Hinako picks a curious outfit for the swimming pool.
Summer Festival
E13
At a summer festival in town, both Chitose and Asako end up fighting when Hiroshi appears.
Reading Books in Autumn?
E14
Misaki has trouble picking out a library book for Book Week.
Sports Festival
E15
It's sports festival day at the school.
Mika Appears
E16
Chitose gets a new rival with the appearance of Hiroshi's Neice, Mika.
The Meal
E17
Chitose and Asako go to a restaurant with Hiroshi and get on each other's nerves.
Diet?
E18
Asako goes on a diet, which gives Chitose the idea to go on one herself.
Like a Girl
E19
After an awkward incident on the way to school, Chitose and Hinako try to help Misaki to behave more like a girl.
Christmas
E20
Chitose and Asako think of christmas presents to give to Hiroshi.
Spring Cleaning and Memories
E21
Chitose encounters some disturbing mementos of her mother's whilst spring cleaning.
New Year's Eve
E22
Chitose and co. go about giving New Year's greetings whilst Asako and Kouhai spend the day drinking.
Visiting the Temple for the New Year
E23
The gang visit the temple for the New Year.
A Day in the Life of Kashiwabara
E24
Hiroshi describes a typical day in his life.
Let's Do It Handmade
E25
Asako teaches the girls how to make handmade Valentine chocolates.
First One Wins
E26
Chitose and Mika argue over who gets to give Hiroshi their chocolate first and end up incurring Misaki's wrath.