With Rikka refusing to take off her eyepatch, Yuta attempts to train her in playing volleyball to compensate for her lack of depth perception.

In middle school, Rikka's friend Tomo has to deal with Rikka's slow descent into delusion.

Yuta's younger sister Kuzuha deals with her brother during his chūnibyō phase.

Yūta's little sister Yumeha goes with Rikka to shop for cooking ingredients.

Kumin talks about her hobby of sleeping and her observations of the other club members.

Shinka and Sanae get into a heated water balloon fight against each other.

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We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

第一季13話番外篇。勇太幫助六花向她逝去的父親告別後，六花又重新戴上了眼罩和變色瞳，變回了中二病患者，不過這次中二成為了生活方式，不再是對父親有眷戀之情了。凸守也變回了中二病。轉眼就是聖誕節。六花卻告訴丹生谷她和勇太明明告白了，生活卻沒有變化。丹生谷提議六花主動出擊。一色提出要和六花，凸守等社團眾人開一次聖誕派對。可惜24號學校就不准進入，把活動室作為場地的計畫泡湯。眾人議論後決定在凸守家開派對。然而到達之後才發現凸守家非常大，凸守的媽媽也是美人。一色不禁感嘆凸守是「人生贏家」。凸守穿上了豪華的洋裝，眾人也換上了自己喜好的裝扮。不料六花居然被丹生谷「哄騙」，穿上了體育服。眾人於是開始玩樂。一段時間後，六花不見了，勇太去找，結果發現六花爬到了房樑上，原來她和凸守都吃多了酒心蛋糕，醉了。丹生谷陪同六花休息，原來是假醉。勇太把六花送回家，期間上了遊覽船。兩人又一次敞開心扉交談。社團眾人卻突然出現，因為凸守鬧了起來，勇太與六花，凸守和丹生谷都摔倒。丹生谷與凸守居然嘴唇接觸了。當晚，六花從樓上爬下，穿著聖誕裝，背著大袋子，與站在陽台上的勇太相視而笑。

Shinka's attempts at getting Kumin out of a kotatsu are met with some unexpected resistance.

In the clubroom, Yūta Togashi deals with Rikka Takanashi, who puts on a second eyepatch on her left eye after she gets infected with a stye, making her spatially blind. The other girls listen from the outside when Yūta tries to apply eye drops into Rikka's infected left eye.

One day in junior high school, Tomo was roped into helping Rikka develop her apparent abilities. Rikka used Zener cards to test clairvoyance and determined the gender of who entered the classroom to test foresight, both with negative results.

In the clubroom, Yūta, Kumin, and Makoto Isshiki witness Shinka and Sanae Dekomori playing a game of Old Maid. After ten minutes, the game reaches a climax, in which the last card is torn in half due to Sanae refusing to hand it over to Shinka, thus they both lose and continue to bicker on their way home on a rainy day.

Kuzuha Togashi deals with Yūta during his chūnibyō persona during a camping trip. While going to fetch water at a nearby stream, Yūta protects Kuzuha from chestnuts on the ground. The rest of the family later enjoys a meal of curry, but Kuzuha notices that Yūta is sitting by the campfire with a block of meat.

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The girls play a game of Shiritori at the Kotatsu, a Japanese word game where each player must say a word starting with the final kana of the previous word. But one of the girls plays dirty

The girls try to guess what Dekomori uses as weights in her Mjolnir Hammer buns

Mori Summer wants to talk about love, but with Rikka the only one with a love interest & her not having much to say about it the tables turn to Dekomori. Mori Summer is surprised to discover that Deko has something to contribute to the discussion of love aside from her love for her Master

The girls discuss their favorite types of Hot Pot.

At the beach, Rikka, Shinka, Kumin, and Sanae play a second round of the game of word chains. Wanting to avenge her previous loss to Shinka, Rikka struggles in naming "cool fruits".

At the apartment, Rikka tries to figure out with Yūta Togashi and Kuzuha Togashi as to why their pet cat Chimera has gained weight even after giving birth. They soon learn that Satone Shichimiya and Tōka Takanashi have each been secretly feeding Chimera behind their backs.

After failing her English pop quiz, Rikka takes a supplementary lesson from Nanase Tsukumo in the clubroom, while Yūta, Shinka, Kumin, Sanae, and Makoto Isshiki take watch. Nanase even implements the use of "translating" the name of Rikka's umbrella, Schwarz Sechs Perfect Customize Guerzoniansus, into the supplementary lesson.

第二季13話番外篇。在一色給勇太一個包含他在中學時迷戀過的偶像照片的隨身碟之後，勇太和六花遇到了問題。六花潛入房間後發現了隨身碟，她偷偷地把它藏起來，勇太讓六花把隨身碟還給他。

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

由《排球》、《邪王真眼・黎明篇》、《我的哥哥》、《來做馬鈴薯燉肉吧！》、《放學後的沉睡美少女》、《凸守 VS 丹生谷》共六話組成的合集版。

由《暖桌蝸牛》、《名為麥粒腫的病，又稱針眼或偷針眼》、《邪王真眼風雲篇》、《凸守 VS 丹生谷②》、《我的哥哥③ 露營篇》、《大天使召喚》共六話組成的合集版。