Comic DAYS is a platform that offers a wide range of serialized manga that can be read for free. It features original works exclusive to Comic DAYS, as well as popular works that have been adapted into anime, dramas, and movies, and popular titles from various magazines. Some of the featured manga include "Ninja and Yakuza," "Kasane and Subaru," "Star of Erotica," "My Wife is a Little Scary," "Tsure Neko Maru and Hachi," "This World is Too Imperfect," "K2," "Tempuru," "Under Ninja," "Blue Period," "Books Bought with Taxes," and "Liaison - Children's Mental Health Clinic."

In addition to ongoing series, Comic DAYS also offers completed popular works that can be read for free using a 23-hour recovery ticket. This allows readers to enjoy their favorite series at their own pace. Some of the completed manga available include "Food Humans Re: - Starving Re:velation," "Stalker Purification Squad," "Katakui and Gold," "My Daughter's Friend," "Homeroom," "To My Beloved Self with Murderous Intent," "Middle Management Record Tonegawa," "Teacher's White Lie," "Silent Fleet," "Moyashimon," "Sweat and Soap," "Zipang," "Eating Snow Women and Crabs," and "New Nobunaga's Diary - Nobunaga-kun and Me."

Comic DAYS also offers special campaigns where readers can enjoy multiple volumes or entire series for free. These campaigns are periodically held, so it's important not to miss out on the opportunity. Additionally, readers can access and purchase the latest chapters of serialized manga from various magazines such as Young Magazine, Monthly Young Magazine, Morning, Morning Two, Afternoon, good! Afternoon, Kiss, BE・LOVE, comic tint, Nakayoshi, Bessatsu Friend, Dessert, Monthly Shonen Magazine, Monthly Shonen Sirius, and Shonen Magazine Edge. This allows readers to stay up to date with the latest chapters without having to wait for the release of tankobon volumes.

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