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Watari-kun Crumbles! When Sibling Relationship Faces a Tremor from First Love

An anime series that tells the story of Naoto, a siscon whose life turns upside down when his first love returns, along with the relationship with his sister that begins to shake.

A
21 Jul 2026 · 4 นาทีอ่าน
👁 11
Watari-kun's ****** Is About to Collapse
Watari-kun's ****** Is About to Collapse
渡くんの××が崩壊寸前
📅 2025 📺 1 ซีซัน · 26 ตอน 🎬 Animation, Comedy, Drama
7.3
/ 10
คะแนนจาก TMDB

When the smooth life of a siscon boy meets chaos as his long-gone first love returns, 'When XX of Watari-kun Meets Its End' is an anime that blends sibling relationships and teenage love seamlessly, taking viewers to explore the changing minds of the characters.

Plot Summary (No Spoilers for the Ending)

Watari Naoto, a high school student deeply in love with his own sister, lives happily with his stepsister Tamayo until one day, Tachibana Satsuki, Naoto's childhood first love, transfers to the same school. Satsuki's return reawakens suppressed feelings and begins to create cracks in the Watari siblings' relationship. The series unfolds through Naoto's perspective as he must choose between his love for his sister and his feelings for Satsuki, along with secrets gradually revealed.

Performance and Characters

Yurie Igoma as Yukari Ishihara gives a warm and confident voice, conveying the big sister who takes care of everyone. Megu Umezawa plays Makina Umezawa, Naoto's cheerful friend, adding color to the story. Yoshiki Nakajima as Shigenobu Tokui, the best friend who offers advice, and Naomi Ohzora voices Tamayo, the seemingly innocent but deep sister. Shuichiro Umeda portrays Naoto's confusion well, while Yumika Yano adds charm to the mature and mysterious Satsuki. The voice acting brings the characters to life and makes them easy to root for.

Direction, Visuals, and Music

The direction does well in gradually building up the characters' internal conflicts, using imagery and symbols to convey feelings, such as alternating scenes at home and school to show tension. The music is sweet in family scenes and intensifies at turning points. The animation is beautiful, especially the coloring that emphasizes warm tones at home, contrasting with the cool colors at school, conveying different atmospheres.

Editorial Analysis

The editorial team finds the series interesting in that it questions different forms of love—sibling love, first love, or friendship love. The story makes you think about where the line between family love and romantic love lies. Although some parts may feel drawn out, it reflects teenage confusion well. The anime also touches on themes of growth and letting go, which are relatable, but may not appeal to those who prefer action or pure comedy.

Verdict

For those who like family drama mixed with teenage love, this series fits the bill well. Despite occasional slowness, overall it's an anime that makes you think and empathize with the characters. Suitable for viewers who enjoy slice of life and complex relationships.

Screenshots

Watari-kun's ****** Is About to Collapse
Watari-kun's ****** Is About to Collapse
Watari-kun's ****** Is About to Collapse
Watari-kun's ****** Is About to Collapse

👍 Pros

  • +Characters have depth and clear development
  • +Quality voice acting enhances emotions
  • +Beautiful visuals and music that match the atmosphere

👎 Cons

  • The middle part of the story is somewhat drawn out
  • Some scenes may feel repetitive for those who don't like drama

Top Cast

FAQ

The series has a total of 26 episodes, ending in one season.

It can be watched with Thai subtitles on streaming platforms that offer it.

It's a story about Naoto who must choose between his love for his sister and his feelings for his returning first love.

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