Tonakai

Case studies

A selection of creator campaigns in Japan supported by Marshmallow Interactive Entertainment Co., Ltd. (M2IE), the company behind Tonakai.

Fashion e-commerce

SHEIN|Seasonal creator campaigns

Monthly, ongoing support for SHEIN’s Japan campaigns — from picking creators that fit each theme to producing and running posts on Instagram, TikTok, YouTube and X: fall/winter trend styling, festival and IP-collab looks, SHEIN HOME, and real-life fit checks.

AI agent

Skywork|note × Qiita campaigns / offline meetup

Separate campaigns for business readers on note and engineers on Qiita, plus a meetup with KOLs from the field featuring talks and networking.

Gadgets

Ottocast|GO OUT JAMBOREE 2026 booth / magazine and web tie-ups

A sponsored hands-on booth at the outdoor festival GO OUT JAMBOREE, plus print and web tie-ups in GO OUT, driver and GoodsPress, combined with social media.

Dating app

cocome|Nightclub × influencers

An influencer campaign run together with a nightclub collaboration event and an Instagram campaign.

3D generative AI

Hi3D|AI 3D creator meetup

A creator meetup run by M2IE’s AI community AI PLAY with Hi3D: hands-on creation, a showcase and a vote on feature requests passed to the product team.

We have also supported the Japan launch and promotion of overseas AI products including Kling AI, Hailuo AI, MiniMax, Dreamina AI, Skywork, Coze, Hi3D, Meshy and PixAI.

These are some of the campaigns supported by Marshmallow Interactive Entertainment Co., Ltd. (M2IE).

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