This pattern is written in English and Japanese.

Video
https://youtu.be/AHxNhTZr9ig
This is the video how to join Front and Back of this sweater. (page 4)

Sizes / XS (S, M, L, XL, XXL)
Finished Bust: 86 (94, 98, 106, 113, 118) cm / 34 (36.75, 38.5, 42, 44.5, 46.25)”
Suggested ease: 15 cm / 6”
Yarn
1000 (1120, 1200, 1500, 1730, 1910) m / 1090 (1225, 1320, 1640, 1890, 2090) yards of Sport weight yarn.
The sample is shown in Lilou Merino Sport (300 m / 328 yards per 100 g / 3.53 ounces 100 % Merino Wool), 4 (4, 4, 5, 6, 7) skeins, color Koi.
Needles
One each 80 cm / 32” and 40 cm / 16” circular needle in size US 4 / 3.5 mm, US 3 / 3.25 mm.
Adjust needle size if necessary to get gauge.
Notions
Stitch markers, tapestry needle, stitch holder or waste yarn.

This sweater is for your working time sweater (of course you can wear it anytime you want!), which I got an idea from my favorite bakery. I designed it for easy moving your body when you’re at work time.
First you will start knitting at the Front neck to armhole back and forth using short rows. Next, knit the Back neck (also using short rows) and after finishing the Back neck, join the Back to the Front and continue to knit the Back as it is. When you finish knitting the Back to armhole, join the Front and you will work in round from here. The hem, you will separate Front and Back again and work back and forth.
Then pick up the stitches of the sleeve from the Body. In the armpit, knit the gusset using short rows to be able to move your arm easily. Continue knitting in the round to the elbow with some decreasing row, then knit straight to cuff. The length of the sleeve and the Cuff --- you can choose 2 options. Type-A / long sleeve: ultimately simple and has ribbed cuff. Type-B / three-quarter sleeve: also simple but has slit in the double cuff. I hope you find your favorite!

サイズ / XS (S, M, L, XL, XXL)
胸囲: 86 (94, 98, 106, 113, 118) cm / 34 (36.75, 38.5, 42, 44.5, 46.25)”
推奨ゆとり: 15 cm / 6”
糸
Sportウェイトの糸を1000 (1120, 1200, 1500, 1730, 1910) m / 1090 (1225, 1320, 1640, 1890, 2090)ヤード
サンプルはLilou Merino Sport (300m/100g,メリノウール100%, 色はKoi)を4 (4, 4, 5, 6, 7)カセ使用。
針
US4号(3.5mm)とUS3号(3.25mm)の輪針80cmと40 cm
ゲージに応じて針のサイズを調整してください。
その他

マーカー、とじ針、あまり糸またはホルダーなど目を休ませるもの

前身ごろの襟ぐりを往復編みで（引き返し編みを交えながら）編むところからはじめます。次に後ろ身ごろの襟ぐりを（こちらも引き返し編みを入れながら）編み、先に編んでおいた前身ごろの襟ぐりにつなげて往復編みを続けます。脇下まで編んだところで輪にします。輪編みで身ごろを編み進め、裾は再び前後に分けて編みます。
　袖は身ごろから拾い目をして編んでいきます。脇下は引き返し編みのガーター編みでまちを編みます。肘までは減目をしながら輪に編み進め、そこからカフまでまっすぐ編みます。 カフは　長袖: シンプルなリブ　と 七分袖: スリットの入ったダブルのカフ、の２種類から選んでください。あなたのお気に入りが見つかりますように。。。！