Oreimo Season 1 poster

Oreimo — Season 1

Living in the shadow of his talented younger sister, Kyousuke Kosaka conducts a normal lifestyle until he accidentally finds out that she hides a secret. In addition to being smart, pretty, and popula

201012 episodes6.8/10 (22 votes)

About this season

Living in the shadow of his talented younger sister, Kyousuke Kosaka conducts a normal lifestyle until he accidentally finds out that she hides a secret. In addition to being smart, pretty, and popular; Kirino Kosaka is also an obsessive consumer of anime and eroge (adult computer games). What will Kyousuke do? Will this tear their already rocky relationship apart or bring them closer together?

Episodes (12)

My Little Sister Can't Be My Love
E1

1. My Little Sister Can't Be My Love

7.0

Aired 3 October 2010 • 25 min

For years, ordinary high-schooler Kousaka Kyousuke has had an icy relationship with his younger sister Kirino, a star athlete who is also a star student.

My Little Sister Can't Bring Me to an IRL Meet
E2

2. My Little Sister Can't Bring Me to an IRL Meet

7.0

Aired 10 October 2010 • 25 min

While being grilled by Kirino over why he hasn't made any progress in the game she ordered him to complete, it occurs to Kyousuke that she needs some friends that she can talk to without concealing her otaku interests.

My Little Sister Can't Be This Cute
E3

3. My Little Sister Can't Be This Cute

7.5

Aired 17 October 2010 • 25 min

Kirino finds her first otaku friends at the IRL meet: "Kuroneko" and "Saori Bajeena." They spend their days deep in discussions over their otaku interests. Seeing Kirino this way puts Kyousuke's mind at ease.

My Little Sister Can't Be Going to Summerket
E4

4. My Little Sister Can't Be Going to Summerket

7.0

Aired 24 October 2010 • 25 min

One day, Kirino's non-otaku, "public" friends—Aragaki Ayase and Kurusu Nanako—come over to visit. Kyousuke is harshly told by Kirino to not let her friends see him.

My Little Sister's Best Friend Can't Be This XX
E5

5. My Little Sister's Best Friend Can't Be This XX

7.0

Aired 31 October 2010 • 25 min

On the way home from an enjoyable Summerket. They bump into Aragaki Ayase, Kirino's best friend.

My Childhood Friend Can't Be This Cute
E6

6. My Childhood Friend Can't Be This Cute

5.0

Aired 7 November 2010 • 25 min

Kyousuke is asked about his relationship with Manami by his friend, Akagi. Akagi is exasperated when Kyousuke answers that, although they don't have a romantic relationship, he doesn't want her to be taken by anyone else.

My Little Sister Can't Be a Novelist
E7

7. My Little Sister Can't Be a Novelist

5.0

Aired 14 November 2010 • 25 min

Kyousuke comes home one day and is startled to find Kuroneko loitering in the living room by herself.

My Little Sister Can't Be Animated
E8

8. My Little Sister Can't Be Animated

7.5

Aired 21 November 2010 • 25 min

Kirino has made her debut as an author. Reader response has been overwhelming, and her editor has even better news to report.

My Little Sister Can't Be This Absorbed Into Eroge
E9

9. My Little Sister Can't Be This Absorbed Into Eroge

5.0

Aired 28 November 2010 • 25 min

Kirino has been acting strangely antsy for the past few days. The reason is that the little sister game she ordered hasn't arrived yet.

My Little Sister Can't Be Cosplaying Like This
E10

10. My Little Sister Can't Be Cosplaying Like This

7.5

Aired 5 December 2010 • 25 min

One day, Ayase calls Kyousuke out of the blue and asks him to see her. She wants to get Kirino a present, and wants him to think of what she would be happiest to get.

My Little Sister Can't Be This Maid
E11

11. My Little Sister Can't Be This Maid

7.0

Aired 12 December 2010 • 25 min

Sent out to buy groceries by his mother, Kyousuke bumps into Manami at the supermarket. They get to talking, and they eventually arrange for Manami to come visit for the first time in ages.

My Little Sister's Advice Can't End Here (GOOD END)
E12

12. My Little Sister's Advice Can't End Here (GOOD END)

5.0

Aired 19 December 2010 • 25 min

Ever since the events of the previous episode, Kyousuke has been nervous about his improved relationship with his sister.

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