The song was written by Yasushi Akimoto and composed by Katsuhiko Sugiyama about the transition of the human's mind until it is decided to start something with vocals which transparent to the melody of the piano and strings.

Mizuki Yamashita served as the center position of the song for the first time, and Miona Hori also participated as her last single from the group.

Nogizaka46 announced the title of twenty sixth single "Boku wa Boku o Suki ni Naru" (僕は僕を好きになる) on November 13, 2020, and announced the participating members (senbatsu) in the group's television show Nogizaka Under Construction on November 15.

[2] The limited edition's blu-ray disc also included individual promotional videos of fourth generation members in the theme "genius" (天才, tensai).

[4] "Boku wa Boku o Suki ni Naru" is written lyrics by Yasushi Akimoto like Nogizaka46's other songs, and composed by Katsuhiko Sugiyama, who compose many songs for Nogizaka46 such as Seifuku no Mannequin, Kimi no Na wa Kibō, Sayonara no Imi, etc.

"Ashita ga Aru Riyū" (明日がある理由, "The Reason Why There is a Tomorrow") was included in every edition of the single.

[6] The Miona Hori's solo track "Tsumetai Mizu no Naka" (冷たい水の中, "In Cold Water") from the limited Type-C is a song with relaxing and painful piano piece,[6] composed by Hiroo Yamaguchi.

The track from the limited edition Type-D sung by the fourth generation members, "Out of the Blue" (stylized in sentence case) is composed by Youth Case, who also composed "I See…", the fourth generation b-side in "Shiawase no Hogoshoku".

It is an up-tempo and refreshing song with a light city pop sound[6] that expresses the story of love that begins with a sudden development.

In the beginning, Hori looks back on the seven years since joining the group to ask herself, and then she performs in a sailor suit costume from the 7th single "Barrette" which she was selected as a participating member for the first time at the center position.

"Kuchi Hodo ni mo Nai Kiss" was directed by Yūsuke Koroyasu, was shot in early October 2020, at Lake Kawaguchi, Yamanashi Prefecture.

The music video shows Momoko Ōzono and Sakura Endō, who sang the song play the guitar together and talk about something during shooting.

[24] The group performed "Boku wa Boku o Suki ni Naru" for the first time on November 25, 2020, in the Nippon TV's music program, Best Artist 2020,[25] and performed the full song for the first time on December 21 in TBS's CDTV Live!

[27] The B-side "Ashita ga Aru Riyū" was used as the theme song for Nippon TV's television program, Lion Special 40th All Japan High School Quiz Championship (ライオンスペシャル 第40回 全国高等学校クイズ選手権).