Popular Character 'Coji-Coji' by Momoko Sakura Joins 'Monthly Letter'!
ROLLCAKE Inc. has added the popular character 'Coji-Coji' to its subscription service 'Monthly Letter'. For 385 yen a month, subscribers will receive a monthly physical letter containing a calendar with new illustrations and a special message starting May 2026.
📋 Article Processing Timeline
- 📰 Published: April 2, 2026 at 01:00
- 🔍 Collected: April 1, 2026 at 16:47
- 🤖 AI Analyzed: April 22, 2026 at 00:44 (487h 56m after Collected)
ROLLCAKE Inc. (Headquarters: Nihon Kaikan 5F, 18-6 Sakuragaoka-cho, Shibuya-ku, Tokyo; CEO: Tadashi Ishida), which develops and operates smartphone applications, will begin accepting subscriptions for the 'Monthly Letter' featuring the popular work 'Coji-Coji' by Momoko Sakura on its calendar subscription service 'Monthly Letter' starting Wednesday, April 1, 2026. Deliveries will begin with the May issue.
A letter from Coji-Coji will arrive in your mailbox every month
'Monthly Letter' is a subscription service that connects fans with what they love through a calendar-format letter that arrives every month from their favorite artists and characters.
Now, 'Coji-Coji' has newly joined Monthly Letter. The letter arriving from Coji-Coji every month features a seasonal new illustration and calendar on the front, and a message from Coji-Coji on the back. By decorating your room with the letter that arrived in your mailbox, Coji-Coji naturally blends into your daily life, creating an experience where your 'favorites' continue as a part of your everyday routine.
Message from Coji-Coji
On the back is a message from Coji-Coji. What kind of message it is will be a fun surprise until it arrives.
Monthly Letter Service Overview
Monthly Coji-Coji Letter:
- Subscription start: Wednesday, April 1, 2026
- Delivery start: From the May 2026 issue
- Price: 385 yen per month (tax included) *First month trial price 165 yen (tax included)
- What arrives:
- Front = New Coji-Coji illustration × Calendar
- Back = Message from Coji-Coji
- Size: 19.4cm × 9.7cm
- Paper: Premium thick paper, Vent Nouveau
- Delivery: Regular mail / Delivered late every month
- Packaging: Clear OPP envelope
Monthly Coji-Coji Letter Subscription Page
https://gekkan-letter.jp/@cojicoji
A letter from Coji-Coji will arrive in your mailbox every month
'Monthly Letter' is a subscription service that connects fans with what they love through a calendar-format letter that arrives every month from their favorite artists and characters.
Now, 'Coji-Coji' has newly joined Monthly Letter. The letter arriving from Coji-Coji every month features a seasonal new illustration and calendar on the front, and a message from Coji-Coji on the back. By decorating your room with the letter that arrived in your mailbox, Coji-Coji naturally blends into your daily life, creating an experience where your 'favorites' continue as a part of your everyday routine.
Message from Coji-Coji
On the back is a message from Coji-Coji. What kind of message it is will be a fun surprise until it arrives.
Monthly Letter Service Overview
Monthly Coji-Coji Letter:
- Subscription start: Wednesday, April 1, 2026
- Delivery start: From the May 2026 issue
- Price: 385 yen per month (tax included) *First month trial price 165 yen (tax included)
- What arrives:
- Front = New Coji-Coji illustration × Calendar
- Back = Message from Coji-Coji
- Size: 19.4cm × 9.7cm
- Paper: Premium thick paper, Vent Nouveau
- Delivery: Regular mail / Delivered late every month
- Packaging: Clear OPP envelope
Monthly Coji-Coji Letter Subscription Page
https://gekkan-letter.jp/@cojicoji