Piccoma, a digital manga and novel service operated by Kakao Piccoma Co., Ltd. (Headquarters: Minato-ku, Tokyo; CEO: Jaeryong Kim), will launch an event on June 20, 2026 (Saturday), allowing users to enjoy three manga adaptations from the popular 'A Certain Series'—'A Certain Magical Index,' 'A Certain Scientific Railgun,' and 'A Certain Scientific Accelerator'—through its popular 'Bakuyomi ¥0 (※1)' feature.

Overview of the 'A Certain Series' 3 Manga Titles in 'Bakuyomi ¥0' (※1)

Starting June 20 (Saturday), the following three representative titles from the series will be available under Piccoma’s popular 'Bakuyomi ¥0 (※1)' feature:

A Certain Magical Index

Up to episode 167 (equivalent to 13 tankōbon volumes)

A Certain Scientific Railgun

Up to episode 134 (equivalent to 17 tankōbon volumes)

A Certain Scientific Accelerator

Up to episode 90 (equivalent to 10 tankōbon volumes)

<Title Introductions>

A Certain Magical Index

Authors: Kazuma Kamachi, Chuya Kogino, Kiyotaka Haimura

Publisher: Square Enix

▼Synopsis

One day, a pure-white sister suddenly falls onto the balcony of unlucky high school boy Toma Kamijou’s room!? The hugely popular light novel series makes its grand debut in manga form!

Read the series

A Certain Scientific Railgun

Authors: Kazuma Kamachi, Motoi Fuyukawa, Kiyotaka Haimura

Publisher: KADOKAWA

▼Synopsis

Academy City, a special urban area with a population of 2.3 million, where approximately 80% are students. A region far more advanced in science and technology than others, where 'psychic ability development' is part of the school curriculum. Misaka Mikoto, one of only seven Level 5 espers (the highest rank), finds herself drawn into numerous incidents occurring within Academy City due to her abilities and personality. The popular spin-off from the Dengeki Bunko series finally arrives!

Read the series

A Certain Scientific Accelerator

Authors: Kazuma Kamachi, Shinsu Yamaji, Kiyotaka Haimura, Shinsu Yamaji

Publisher: KADOKAWA

▼Synopsis

The strongest and most dangerous esper in the 'A Certain Series,' Accelerator, finally takes center stage as the protagonist! A completely original story debut!

Read the series

◾️ (※1) What is 'Bakuyomi ¥0'?

'Bakuyomi (Bakuyomi) ¥0' is a popular Piccoma feature that allows users to skip the usual 'waiting time' required to access the next free episode, enabling them to read ahead completely free of charge in one go.

<Features of Bakuyomi ¥0>

100 free episodes for everyone every week! Every Monday, 100 free tickets are distributed to all users, allowing them to read designated titles at no cost.

Zero stress from 'can't wait until tomorrow'! With no viewing restrictions (charging time) per title, users can read as many episodes as they want, anytime they want.

Enjoy multiple favorite titles simultaneously! Up to 30 tickets can be used per title per week. Users can select 3–4 manga titles they’re interested in and read up to 30 episodes weekly for each, enjoying a luxurious reading experience. This system is ideal for reading all three 'A Certain Series' manga adaptations in parallel.

About Piccoma

Piccoma is a digital manga and novel service that allows users to read one free episode per day simply by waiting. Since its app launch on April 20, 2016, the 'Piccoma' app has surpassed 50 million cumulative downloads. *Cumulative downloads as of March 2025, combining iOS and Android.

● Piccoma Service Overview Service Name: Piccoma Platforms: iOS / Android / Web Pricing: Free (with in-app purchases) App Download: http://piccoma.com/web/redir/853 Official Website: https://piccoma.com/web Official X (formerly Twitter): https://twitter.com/piccoma_jp Operator: Kakao Piccoma Co., Ltd.

FACT BOX

  • Source: PR TIMES
  • Category: Event
  • Organizations: KADOKAWA