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Leaf

Leaf is a 23-year-old top laner for Arneb in the League of Legends Japan League, known as the 'Tank Craftsman.' Coatsinkleaf is a full-time convention artist who closed 2025 with 31 events, starting from a post-graduation pivot to selling stickers.

Synthesized from 2 Yomimono stories · updated Jun 16

Two stories about Leaf cover different professional identities. The first, from 4Gamer's Weekly Pro Gamer File series, profiles Leaf as a 23-year-old top laner for Arneb in the League of Legends Japan League. He is known as the 'Tank Craftsman' and specializes in late-game tank champions like Sion and K'Sante. Leaf cites Evi as a player he respects. The profile notes that despite rarely taking the spotlight, Leaf is considered a key pillar of one of Japan's top League of Legends teams.

The second story, an Anime Herald interview, focuses on Coatsinkleaf, an artist who turned convention tabling into a full-time career after graduating in June 2023 and failing to find traditional employment. Coatsinkleaf started by selling stickers at local Chicago conventions, then expanded to out-of-state and international events, closing 2025 with 31 conventions. He credited his early success to fan art for Hollow Knight, a game he discovered through a friend in college. Coatsinkleaf also detailed his origin in ribbon collecting, starting at Youmacon 2023, and cited Great Pretender and Witch Hat Atelier as favorite anime and manga.

The two stories do not connect Leaf the pro gamer to Coatsinkleaf the artist. They are separate entities sharing a name, covered by different outlets on different dates. The dossier reflects only what each story establishes about its subject.

Key facts

Age
23 years old
Role
Top laner for Arneb in the League of Legends Japan League
Nickname
Known as the 'Tank Craftsman'
Specialization
Specializes in late-game tank champions like Sion and K'Sante
Player respected
Cites Evi as a player he respects
Career path
Turned to convention art after graduating in June 2023 and failing to find traditional employment
Convention count
Closed 2025 with 31 conventions
Early success driver
Credited early success to fan art for Hollow Knight
Ribbon collecting start
Started ribbon collecting at Youmacon 2023

Timeline

Synthesized by Yomimono from the cited Yomimono stories below, each itself sourced, then editorially reviewed. Every fact links the story it came from.

Facts

Noted
Leaf, a 23-year-old top laner for Arneb in the League of Legends Japan League · 2026-06-16
Noted
Known as the "Tank Craftsman," Leaf specializes in late-game tank champions like Sion and K'Sante, and cites Evi as a player he respects · 2026-06-16

Structured graph also available as JSON at /public/entities/leaf. CC BY 4.0.

All coverage

Sep 3

V Inc. Handles Production Management for LEAFstore VRC Store Worlds

V Inc. handled production management for worlds used in VTuber live events at LEAFshade's new VRChat venue, LEAFstore VRC store. The venue opened with a recorded live on August 29, 2026. V Inc. is a partner company of VRChat Inc. with a top track record in Japan for long-term projects.

Aug 13

Pokemon FireRed and LeafGreen Switch Versions to Link With Pokemon HOME in October 2026

The Pokemon Company announced on August 13 that the Nintendo Switch versions of Pokemon FireRed and LeafGreen will begin linking with Pokemon HOME in October 2026. The connectivity will let players send Pokemon caught in the Game Boy Advance remakes to Pokemon HOME and then bring them into other Pokemon series titles. The company also confirmed that completing the in-game Pokedex for FireRed and LeafGreen within the smartphone version of Pokemon HOME will reward players with a Celebi whose original trainer name is Mitsurin. Celebi is a Mythical Pokemon that cannot be encountered through normal play in FireRed and LeafGreen. The announcement came with several restrictions. Pokemon sent from FireRed and LeafGreen to Pokemon HOME cannot be returned to the Switch versions. Pokemon caught in other software cannot be sent into FireRed and LeafGreen. Boxes containing Pokemon holding items, Pokemon that know Hidden Machines, or Eggs cannot be transferred. Special Pokemon that players can normally obtain only once per playthrough are limited to one transfer per save file. Pokemon obtained through unintended methods or illegal modifications, as well as Pokemon with other issues, cannot be sent to Pokemon HOME.

Aug 7

Leafy Corner Hits Overwhelmingly Positive on Steam Four Days After Launch

Fireline Games' shop management sim Leafy Corner launched on Steam on July 31 and reached an Overwhelmingly Positive rating within about four days. As of August 3, roughly 740 reviews were posted, with 98 percent positive. Players praised the relaxed pace and the calming plant-filled setting.

Aug 5

Leafy Corner Launches With 99% Positive Steam Reviews

Fireline Games released the houseplant shop management game Leafy Corner on July 31 for PC (Steam and Microsoft Store), Nintendo Switch, PS5, Xbox Series X|S, and Xbox One. The game has quickly drawn attention, with Steam user reviews at 99% positive out of about 120 reviews at the time of writing, earning a 'Very Positive' rating. SteamDB data shows a peak concurrent player count of roughly 2,100 players so far. In Leafy Corner, players run a shop in a corner of the city, starting from a small, empty space. They purchase tables and shelves, arrange products, and sell houseplants to customers. The game includes over 100 types of houseplants, such as aloe vera, moth orchids, and African violets. Players do not buy plants ready-made; they plant seeds, water them, and watch them grow, with value increasing in stages. Each plant type has an appropriate amount of water, and overwatering causes withering. Customers may buy plants they like or ask for recommendations based on conditions like pet safety. A to-do list sets goals, and completing them earns Leaf Coins to unlock new plants, furniture, and decorations. A 20% off sale is currently underway on Steam and the Nintendo eShop, and a demo version is available on Steam.

Jul 20

Leafea Marks 4th Anniversary, Service Area Now Covers 44% of Japan

Leafea, a community-based welfare benefits service provider, celebrated its 4th anniversary on July 20, 2026. The company reported expansion to 28 affiliated banks (up from 4), service coverage across 761 municipalities (44% of Japan), over 6,000 adopting businesses (85% SMEs), and more than 120,000 available stores. It added or improved an average of 2,300 lines of code per business day and launched six features in the last 1.5 years. Representative director Wataru Morita thanked supporters and pledged continued improvement.

Jun 17

Leafy Corner Launches July 31 on PC and Consoles

Fireline Games announced that the houseplant shop management game Leafy Corner will release on July 31 for PC, Nintendo Switch, PS5, Xbox Series X|S, and Xbox One. The game features a simple system focused on growing and selling houseplants, with no complex management mechanics. A demo is available now on Steam.

Jun 16

Weekly Pro Gamer File Profiles Leaf, Arneb's Top Laner

4Gamer's "Weekly Pro Gamer File" series features Leaf, a 23-year-old top laner for Arneb in the League of Legends Japan League. Known as the "Tank Craftsman," Leaf specializes in late-game tank champions like Sion and K'Sante, and cites Evi as a player he respects.

May 30

Coatsinkleaf on Ribbon Collecting, Hollow Knight, and the Do-or-Die Path to Full-Time Art

In an interview with Anime Herald, artist Coatsinkleaf discussed his journey from a college drawing club to a full-time convention artist, driven by a post-graduation job market that left him unemployed. He described his first convention experience at C2E2 as a revelation that artists could make a living tabling events, contrasting it with his earlier perception of art as limited to galleries. After graduating in June 2023 and failing to find traditional employment, Coatsinkleaf turned to selling stickers at local Chicago conventions, then expanded to out-of-state and eventually international events, closing 2025 with 31 conventions. He also detailed his origin in ribbon collecting, starting at Youmacon 2023 and later creating his own ribbons. Coatsinkleaf credited his early success to fan art for Hollow Knight, a game he discovered through a friend in college, which he said he lucked into as an unaware niche. He cited Great Pretender and Witch Hat Atelier as favorite anime and manga, respectively.