Happiness Vol. 6

Name: Happiness Vol. 6
Price: 5.99 USD
Availability: InStock
Rating: 4.5 (709 reviews)
Author: Shuzo Oshimi

by Shuzo Oshimi

Manga

4.5 (709)

4.5 stars from 709 reviews. Top 93% of Manga books we track.

$5.99Deal51% off peak

Last checked: Jul 20, 2026

Price history: $5.99 – $12.34

Buy now — this is the lowest price we've seen.

Price range: $5.99 – $12.34

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Perfect for you if...

You're drawn to psychological character studies that unfold slowly and deliberately, revealing damage that can't be talked away in one conversation.
You appreciate manga that treats mental health with seriousness, showing how past violence reshapes how someone relates to others.
You've read the earlier volumes and want to see where Yukiko's story goes after years of painful silence.

Maybe not for you if...

You prefer straightforward resolutions where characters move past their trauma by the final chapter.
You're looking for light or escapist manga. This series is dark and introspective, dwelling in discomfort.
You struggle with content involving sexual violence or psychological abuse, even when handled with care.

About this book

Years have passed since Yukiko Gosho's traumatic encounter with Makoto. Though her physical and psychological wounds have healed, the healing has been incomplete. When a charming coworker attempts to bring her out of isolation, Yukiko must face the lasting impact of events she witnessed as a teenager. The question remains whether her past can truly stay buried.

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Price History

Kindle price over time. Green zones = periods when the book was free.

$5.99 – $12.34

Currently on sale at $5.99 — 51% off peak. Price has dropped 9 times over the last 5 years. Goes on sale roughly every 201 days. Typically stays discounted for 11 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

Currently around #285K in the Kindle store — a niche title. Sales have softened 133% recently.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

Currently 4.5★ from 709 reviews

Gaining approximately 9 new reviews per month. Rating has remained stable at 4.5 over the tracking period.

Sale Prediction

Actual Predicted

This book is currently discounted at $5.99. It typically returns to around $12.34.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.

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