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UX Designer
Solo project (OpenClassrooms Project)
3 months
3 months
A research project from my OpenClassrooms UX design course. Working from a course brief framed as "a multinational coffee brand is considering expanding its product line," I studied how people in Japan drink coffee through ethnography and user interviews, then synthesized the findings through competitor analysis, personas, and journey mapping.
How do people in Japan drink coffee and what are the keys that are important to users and the pain points they face?
Based on the Double Diamond Design Thinking Process. First, Discover-Research phase: I conducted Secondary research (macro-environmental analysis and competitive analysis) to better understand the Japanese coffee market. Then I conducted Primary research (field observations and user interviews). After that, as the Define-Synthesis phase, I did Affinity Diagrams, Personas and Journey Maps to find insights.

The research followed the Double Diamond Design Thinking Process: Discover-Research phase (Secondary and Primary research) and Define-Synthesis phase (Affinity Diagrams, Personas, Journey Maps).
Source: Basic Survey on Coffee Demand Trends by Japan Coffee Association
| Year | Total | Instant | Regular | Liquid | Can |
|---|---|---|---|---|---|
| 2002 | 10.03 | 4.29 | 3.22 | 0.74 | 1.77 |
| 2004 | 10.43 | 4.4 | 3.49 | 0.86 | 1.68 |
| 2006 | 10.59 | 4.38 | 3.7 | 0.7 | 1.81 |
| 2008 | 10.6 | 4.51 | 3.21 | 0.82 | 2.05 |
| 2010 | 10.93 | 4.69 | 3.27 | 1.09 | 1.87 |
| 2012 | 10.73 | 4.46 | 3.2 | 1.14 | 1.93 |
| 2014 | 11.13 | 4.54 | 3.63 | 1.11 | 1.84 |
| 2016 | 11.09 | 3.95 | 3.89 | 1.51 | 1.75 |
| 2018 | 10.62 | 3.92 | 3.69 | 1.54 | 1.47 |
| 2020 | 11.53 | 4 | 4.41 | 1.97 | 1.15 |
Macro analysis examining Japanese coffee consumption patterns, including how much coffee Japanese people drink per person per week, where and how they drink it, and consumption by gender and age.
PEST analysis (Political, Economic, Social, Technological) examining the macro-environmental factors affecting the Japanese coffee market.


Mission/Vision: We unlock the power of food to enhance quality of life for everyone, today and for generations to come
Business Model: Sell instant coffee, monthly subscription
Customer Segments: People who want to drink authentic coffee at home or office, popular in Japan
Price: ¥20~100 / 1 cup
Unique Value Proposition: Nescafe system (Barista Machines just setting cup) taste control by linking smartphone with the machine, capsule type



Field observation at a coffee shop founded by a British-Japanese couple, observing customer behaviors, interactions, and the coffee shop as a 'third place' for social interaction.

User interviews conducted to understand how people in Japan drink coffee, their preferences, pain points, and motivations. Multiple interview sessions were conducted to gather comprehensive insights.
Key findings include: Coffee drinkers enjoy the taste and aroma; Many people in Japan drink coffee when they are at home or at work; People who drink coffee multiple times a day are concerned about the cost and the convenience; People who drink coffee few times a day or a week want to drink authentic regular coffee to enjoy its taste and aroma; People want to drink coffee while working in the office or carry coffee to different places; Coffee shop is the third place.
First iteration of affinity diagram, clustering user research data into themes and patterns.

45 years old, Product Planner
A personable, health-conscious product planner who views coffee as a psychological ritual for work focus.
First persona profile representing a type of coffee drinker in Japan, created based on research findings.

32 years old, UI/UX Designer
An efficiency-driven creative who enjoys technical brewing methods as a form of active meditation.
Second persona profile representing another type of coffee drinker in Japan, focusing on different consumption patterns and motivations.
Vertical Axis
Emotional state throughout the coffee shop visit experience
Scale: -2 ~ 2
Horizontal Axis
Stages of the coffee shop visit journey
Graph Type
Line graph showing emotional journey throughout the experience
Actions: Want to work on the weekends while having a change of scenery. Decide to go to coffee shop and work there.
Actions: Check Instagram and decide where to get coffee. Get ready to go out (makeup). Head for the coffee shop by foot.
Actions: Enters the coffee shop. Wait in line. Look at the menu on the desk and decide an order.
Actions: talk to the Barista and order coffee and others. Decide how to pay and wait for coffee. Receive coffee.
Actions: Take her seat and drink coffee and work. Find seat.
Detailed journey map of a typical visit to coffee shop. This journey map illustrates the coffee drinking experience, from discovery to consumption, identifying touchpoints, emotions, pain points, and opportunities for improvement. The map structure includes vertical axis (emotions/satisfaction), horizontal axis (stages/touchpoints), and a graph visualization showing the emotional journey throughout the experience.

Key findings synthesized from the research, including: Coffee drinkers enjoy taste and aroma; Many people drink coffee at home or work; Cost and convenience concerns for frequent drinkers; Desire for authentic coffee for occasional drinkers; Coffee shop as third place.
Gather more participants (number of interviewees, rural area, various age range)
Advertising campaigns and communication strategies centered on television, social network services, and promotions (people are not going to go where they don't know what they want to get)
Sales promotion of decaffeinated coffee with authentic taste and aroma
Product development and sales promotion of a water bottle that does not oxidize even when filled with coffee
Promotion or Subscription campaign with mag manufacturers (thermo mugs that are pleasant to the touch without a metallic feel, Thermo mug that continuously displays the correct temperature)
Through this course project, I learned a research pattern for understanding what users think, their needs and concerns — moving from secondary research, to primary research, to synthesis.
With feedback from my mentor, I practiced building personas from target-audience interview data and using them as the foundation for later decisions.