Eriko Sugita

When high schooler Yuuta Asamura learns his father plans to remarry, he's not too bothered by the idea until he finds out his future stepmum has a daughter! Her name is Saki, and to Yuuta's surprise, she's a beauty who's made a reputation for herself as an unapproachable bad girl. But as he gets to know her, he realises she's...

Days with My Stepsister, Vol. 2 is a slice-of-life manga featuring the developing friendship between two newly cohabiting teenagers.

Infected by the magic of Halloween night, Yuuta and Saki sought out each other's warmth. Though it might look the same to those around them, their relationship has undergone a definite change. As they pass their first winter together, including its various celebrations, they struggle to balance communication and the joy of surprise. How can they make each other happy,...

From strangers to family. When his father remarries, Yuuta Asamura winds up sharing a roof with a brand-new stepsister, who is also the hottest girl in his grade! But Yuuta and his new sister, Saki Ayase, have no delusions—they both carry trauma from their parents’ difficult divorces, and they agree to keep a respectful distance. As it turns out, however,...

Days with My Stepsister started out as a YouTube channel in April of 2020 and then was spun off into a light novel and manga series. As of April 2023, the YouTube channel boasts 75.5k subscribers.

The Only Thing I'd Do in a No-Boys-Allowed Game World is a light novel series following a reincarnated yuri fanboy trying to survive his predestined bad endings of his favourite yuri game. All the while, he unwillingly creates a harem around him.

The worst and last day of his life! Masamichi Adachi left his hometown in the country to study agriculture at university. He prepared diligently for the exam, got his own apartment, and landed a part-time job to pay rent and support himself. He's doing everything right, so why is it all going horribly wrong?! He's failed the entrance exam twice,...

All work and no play... It's Yuuta and Saki's first summer vacation as stepsiblings, and they'll be working at the same bookstore! As Saki's coworker, Yuuta begins to see a side of her he hadn't noticed before. But after observing her new coworker for a while, Shiori makes a dark observation—if Saki doesn't ease up and stop pushing herself so...

In a Japan that's on the verge of ruin, he's surviving alongside a cute underclassman! A sudden zombie outbreak ravages the country. Amidst the fleeing crowds, high school student Yuuma Kousaka ends up being bitten. Afraid of dying, he reunites with his friend's sister, Haruka Hinata, for the first time in years. She offers to fulfil his dying wish and...

After nearly dying and being pieced back together, Masamichi has gotten used to working at the antique shop Bougyoudou for the handsome and mysterious Shino, who saved his life. The man is actually a specter who has been living as a human since the Heian era thanks to a curse from a spiritual medium. As Masamichi gets to know the...

How close is too close? Yuuta Asamura is still figuring out how to interact with his new stepsister, Saki Ayase. After discovering they have more in common than expected, the two reach a comfortable equilibrium, but things start to get out of whack when Saki fails one of her exams and asks for Yuuta’s help. Then Yuuta’s attractive college-age coworker,...

As a romcom set during the zombie apocalypse, I'm the Strongest in This Zombie World, but I Can't Beat This Girl! offers both scenes of desperate survival and heart-racing moments between the main couple.

Hiiro should have died after being caught up in an explosion with the demon Alsuhariya... but instead, he wakes up in her body! How in the world is a yuri fanboy like him going to survive constantly connected to his fated rival, a woman who's sworn to destroy yuri by any means necessary?! Filled with despair over this twist of...

Now aware of their feelings, Yuuta and Saki are still unsure of whether the affection they feel for one another is familial or romantic. To find out, they decide to try deepening their relationship, unbeknownst to their family and friends. As they go on their first date for Halloween, will those secret, uncertain emotions develop into something more? Days with...

After spending their first New Year's together, Yuuta and Saki grow even closer. February brings Valentine's Day and a school trip to Singapore, and in turn, new encounters and realisations. And yet, despite these special events, the pair must maintain a certain distance in order to keep their secret, and so they feel lonely even when together. What will happen...

Mule has been kidnapped by the combined forces of the Sanjo family and the demonic cult's Fairlady faction. Hiiro and his friends infiltrate the enemy hideout and launch a surprise attack, successfully rescuing the dorm manager, or so they think. The Fairlady of Branding uses her Magic Eye to trap Chris and Hiiro in a dream world, and finding a...

Masamichi is truly enjoying his life with Shino and working alongside him at the antique shop. Although the gorgeous specter comes across as blunt and cold, he’s actually quite kind, and Masamichi has developed feelings for him. Their first Christmas together approaches, so while Shino is on a business trip, Masamichi goes shopping for festive supplies. But he is suddenly...

When Saki called Yuuta Big Brother, it looked to everyone else like their relationship had taken a big step forward. In reality, it was more like a line drawn in the sand. As their hidden feelings make time spent together increasingly awkward, the two of them explore new relationships and weigh their priorities. Are some things worth holding onto despite...