BOYNEXTDOOR member chemistry: all 15 pairings

Spark

4.5

Fit

4.6

Sync

4.3

Depth

4.2

• Day branches share a triad (辰 + 申)
• 庚 feeds 壬

Sungho’s Yang Metal naturally empowers Leehan’s Yang Water, while their Dragon and Monkey signs form a harmonious triad. This pair thrives because they both value being supported, creating a balance where expression meets a protective and caring nature.

Spark

4.4

Fit

4.8

Sync

3.9

Depth

4.0

• Day branches pair up (辰 + 酉)
• 戊 feeds 辛

Grounding Earth energy from Riwoo beautifully supports Taesan’s Yin Metal, while their Dragon and Rooster branches create specialized harmony. They navigate their strong wills with an ease that comes from understanding each other’s inner motivations and filling elemental gaps.

Spark

3.9

Fit

4.8

Sync

3.9

Depth

3.8

• 辛 feeds 壬
• Expresser meets supporter

Taesan’s Metal energy is the perfect fuel for Woonhak’s Water, creating a supportive bond that fills their elemental gaps. They share a private comfort that makes it easy to understand each other’s inner world, allowing their roles to mesh.

Spark

4.5

Fit

4.6

Sync

3.9

Depth

3.8

• Same day branch (辰)
• 戊 feeds 庚

Riwoo’s Yang Earth provides the foundation for Sungho’s Yang Metal, while their shared Dragon day branches create deep understanding. Though they might occasionally bump heads due to similar inner energies, they fill each other's elemental gaps perfectly.

Spark

4.4

Fit

4.4

Sync

4.1

Depth

3.8

• 戊 feeds 辛
• Expresser meets supporter

Riwoo acts as a steadying force for Jaehyun, with his Yang Earth naturally supporting Jaehyun’s Yin Metal. Their connection through the Pig and Goat allows them to understand each other’s inner thoughts, making their collaboration feel incredibly intuitive and supportive.

Spark

4.3

Fit

4.6

Sync

3.6

Depth

3.8

• 辛 feeds 壬
• Expresser meets supporter

The connection between Jaehyun’s Yin Metal and Woonhak’s Yang Water allows for a smooth exchange where structure meets expression. Their zodiac link between the Goat and Pig further eases their interactions, helping them feel comfortable sharing their true feelings.

Spark

4.4

Fit

4.3

Sync

4.3

Depth

3.5

• Day branches share a triad (辰 + 申)
• Clear, complementary roles

A powerful triad link between Riwoo’s Dragon and Leehan’s Monkey creates an effortless connection between them. By providing missing elements, they maintain clear, complementary roles that allow their individual strengths to shine brightly within their shared creative projects.

Spark

4.2

Fit

4.6

Sync

3.5

Depth

3.8

• 辛 feeds 壬
• Expresser meets supporter

Providing a nurturing energy, Jaehyun feeds Leehan’s Yang Water to create a flow where one expresses and the other supports. By bringing elements the other lacks, they build a balanced bond rooted in open and honest communication.

Spark

3.9

Fit

4.4

Sync

3.5

Depth

3.8

• 辛 feeds 壬
• Expresser meets supporter

Finding balance, Taesan and Leehan thrive through a classic interaction where Taesan’s Yin Metal provides resources for Leehan’s Yang Water. This natural flow allows one to support while the other expresses, making their collaboration feel smooth and purposeful.

Spark

4.0

Fit

4.6

Sync

2.9

Depth

4.0

• 庚 feeds 壬
• Expresser meets supporter

Sungho and Woonhak share a dynamic bond where Sungho’s Metal energy fuels Woonhak’s Water. While their clashing day branches might bring occasional tension, their complementary roles and shared zodiac links build a solid structure that grows stronger over time.

Spark

4.3

Fit

3.7

Sync

3.5

Depth

3.8

• Day branches pair up (辰 + 酉)
• Links across the charts (辰 + 申)

Because they are drawn together by powerful links between their day branches and zodiac signs, Sungho and Taesan spark creativity. Both carry heavy Metal energy, which creates a strong pull that requires them to maintain healthy personal boundaries.

Spark

4.2

Fit

3.5

Sync

3.8

Depth

3.5

• Links across the charts (亥 + 未)
• At ease with each other's inner side

Jaehyun and Sungho share a natural ease that comes from their deep zodiac connection between the Pig and the Goat. While their strong pull requires balance, their shared habit of speaking from the heart creates a vibrant and creative energy.

Spark

3.5

Fit

3.6

Sync

3.3

Depth

3.8

• Structure that deepens over time
• Brings the element the other lacks

Both Leehan and Woonhak share a mirror pairing of Yang Water, creating a competitive yet deeply trusting bond. By bringing the elements the other lacks, they build a structure that deepens over time, balancing duty with artistic expression.

Spark

3.8

Fit

2.0

Sync

3.3

Depth

3.5

• Speaks from the heart

As a mirror pairing of Yin Metal, Jaehyun and Taesan reflect each other’s drive and emotional honesty. This shared nature creates a competitive edge that pushes them both forward, especially when they are expressing their most sincere thoughts to one another.

Spark

3.9

Fit

3.8

Sync

2.6

Depth

3.5

• Clear, complementary roles
• Links across the charts (未 + 亥)

Navigating their dynamic relationship, Riwoo and Woonhak use their shared Earth energy to provide a stable base. Although their clashing day branches require patience, their clear roles and zodiac connection through the Goat and Pig help them maintain partnership.