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Season guide

KissXSis: Season 1

12 episodes Premiered Apr 5, 2010 Updated Jul 18, 2026
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Episodes

S1·E1

Wonderful Days

Apr 5, 2010 · 25 min

Keita Suminoe has a problem with his twin step-sisters, Ako and Riko, being overly romantic towards him. However, he wants to attend the same high school as them, so is uncertain o

S1·E2

A Lesson for Two

Apr 12, 2010 · 25 min

Ako decides to help Keita study in order to improve his passing rate, though both have a little trouble staying focused on the matter at hand. Ako shows Keita her chest in order to

S1·E3

Alluring Sweets

Apr 19, 2010 · 25 min

Keita gets annoyed with being kissed by Ako and Riko him all the time and instigates a ban on kissing. Overhearing that Keita likes sweet things, Riko tries to make him some chocol

S1·E4

Qualifications of a Lover

Apr 26, 2010 · 25 min

While Keita studies at school, Ako and Riko reminisce on when they started going to junior high, the first time they were apart from Keita. When they watched Keita perform athletic

S1·E5

I'm Sorry!

May 3, 2010 · 25 min

While talking to his friends, Keita accidentally gropes his fellow student, Miharu Mikuni, and gets slapped. Ako and Riko become suspicious about whether Keita has been 'cheating'.

S1·E6

Uneasiness at Akihabara

May 10, 2010 · 25 min

Unable to view and get porn from the internet using a PC their father won at a raffle, Ako and Riko decides to buy erotic games in Akihabara. But in the process Keita has to accomp

S1·E7

Wh-What!? A Dripping Wet Midsummer Delusion

May 17, 2010 · 25 min

One of Keita's friends coaxes him into going to the pool with him and Mikazuki and inviting Ako and Riko. Suspicious of what they might be up to, Yūzuki decides to tail them. Whils

S1·E8

It's Always That in August

May 24, 2010 · 25 min

The summer festival comes, and it will be the only day Keita will be free from all the prep school work. This means that Ako and Riko will be competing for a night at the festival

S1·E9

Turning to God Only in Times of Suffering

May 31, 2010 · 25 min

As Keita tries to study, Ako and Riko compete with each other to be the most helpful. Whilst alone in the room, Riko and Keita end up doing some 'footplay' under the kotatsu until

S1·E10

At Last, the Real Thing!

Jun 7, 2010 · 25 min

With Keita ill before the big exams Ako and Riko step up to the mark by getting out of school and making Keita feel better by nursing him back to health, but a slow recovery is the

S1·E11

Nitpicking a Good Day!

Jun 14, 2010 · 25 min

Keita eagerly awaits the results of his exams, with Ako and Riko trying to give him good luck, though encounter several unlucky omens along the way. When they get to the notice boa

S1·E12

One, Two, Threesome!

Jun 21, 2010 · 25 min

After Keita's graduation, Ako and Riko arrive to find they were too late to get the second, or any button, off of Keita's blazer. They decide to, against Keita's will, hold a draw