Happiness Vol. 1

Name: Happiness Vol. 1
Price: 5.99 USD
Availability: InStock
Rating: 4.4 (2144 reviews)
Author: Shuzo Oshimi

by Shuzo Oshimi

Manga Horror

4.4 (2,144)

4.4 stars from 2,144 reviews. Top 79% of Manga books we track.

$5.99KU40% off peak

Last checked: Jul 9, 2026

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Price history: Free – $9.99

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Price range: Free – $9.99

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Perfect for you if...

You enjoy horror that's rooted in real teenage misery, where the supernatural threat feels almost secondary to the social dread.
You appreciate manga that takes its time with psychological tension instead of rushing to action or gore.
You like stories where the protagonist's transformation into something monstrous mirrors his existing alienation from normal life.

Maybe not for you if...

You want traditional vampire romance with any hint of appeal or glamour to the lifestyle.
You're looking for quick-paced action or battles between supernatural factions.
You prefer stories where bullying gets neatly resolved rather than complicated by becoming literally the least of your problems.

About this book

Makoto Ozaki's first year of high school is unremarkable, marked by low-grade bullying, unreliable friends, and the frustrations of adolescent desire. One night, a pale, thin girl knocks him down in an alley and offers him a choice that changes everything. Afterward, daylight becomes painfully bright, food tastes terrible, and Makoto is consumed by an overwhelming thirst. His former petty humiliations are replaced by two major horrors: discovering what will satisfy his craving, and navigating high school itself.

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Price History

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

Free – $9.99

Currently on sale at $5.99 — 40% off peak. Price has dropped 14 times over the last 5 years. Goes on sale roughly every 142 days.

Sales Rank

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

Currently around #38K in the Kindle store — a steady mid-list seller.

Rating & Reviews

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

Currently 4.4★ from 2,144 reviews

Gaining approximately 20 new reviews per month. Rating has dipped slightly from 4.6 to 4.4.

Sale Prediction

Actual Predicted

This book is currently discounted at $5.99. It typically returns to around $9.99.

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.