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Cover of Cool Boyish Onee-san
Ongoing Manga · EN

Cool Boyish Onee-san

Story & art by Unknown

Also known as Cool Boyish Onee-san · Kao no Yoi Boisshu Oneesan

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01 / Imported episodes

Chapters

15Chapters
EN · 15 imported15 Chapters
CH.15Cool Boyish Onee-san Chapter 15Boyish Onee-san's Pickup Avoidance Technique · Sep 4, 2026 · 1 min0viewsCH.14Cool Boyish Onee-san Chapter 14Boyish Onee-san at the Gym · Sep 4, 2026 · 1 min0viewsCH.13Cool Boyish Onee-san Chapter 13Invited by the Boyish Onee-San Who Lives Nearby to Go Running · Sep 4, 2026 · 1 min0viewsCH.12Cool Boyish Onee-san Chapter 12The Quirks of the Boyish Onee-san Next Door Are Just Too Much · Sep 4, 2026 · 4 min0viewsCH.11Cool Boyish Onee-san Chapter 11Boyish Onee-san Whose Casual Outfit Gap Is Way Too Strong · Sep 4, 2026 · 1 min0viewsCH.10Cool Boyish Onee-san Chapter 10Overly Self-Conscious Boyish Onee-San · Sep 4, 2026 · 1 min0viewsCH.09Cool Boyish Onee-san Chapter 9Boyish Onee-San Saw My Phone’s Search History · Sep 4, 2026 · 1 min0viewsCH.08Cool Boyish Onee-san Chapter 8Her Reaction Was So Weak That I Ended Up Pushing Her Down Without Thinking · Sep 4, 2026 · 1 min0viewsCH.07Cool Boyish Onee-san Chapter 7Invited to Her House for the First Time by a Handsome, Boyish Onee-San · Sep 4, 2026 · 1 min0viewsCH.06Cool Boyish Onee-san Chapter 6I Feel Like I’ve Seen Her Somewhere Before, but There’s No Way That Woman’s a Teacher, Right? · Sep 4, 2026 · 1 min0viewsCH.05Cool Boyish Onee-san Chapter 5Invited to a Hotel by a Cool, Boyish Onee-San · Sep 4, 2026 · 1 min0viewsCH.04Cool Boyish Onee-san Chapter 4The Last Train Has Already Left, Huh? · Sep 4, 2026 · 1 min0viewsCH.03Cool Boyish Onee-san Chapter 3Regretfully Cool, Downer Boyish Onee-San · Sep 4, 2026 · 1 min0viewsCH.02Cool Boyish Onee-san Chapter 2Teased by a Cute, Boyish Onee-San · Sep 4, 2026 · 1 min0viewsCH.01Cool Boyish Onee-san Chapter 1I Can’t Help But Be Curious About the Phone Screen of the Hot Onee-San on the Train · Sep 4, 2026 · 1 min0views
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