Understanding my resolve as a man with 理解
Kanji Explanation: Separating and understanding with 解

Sakurako tells Takeru not to go to the shogi club as he’ll get in the way of Ayumu being with Urushi. However, as a new member of shogi club, and as a man, Takeru feels it’s his duty to show up. On his way to the shogi club room, he encounters Ayumu who implores him to come to the shogi club room.
- タケル:
- 「理解してくれたか!!」
- “You understood me, huh?”
- 「オレの男
( としての!」- “As a man, my (duty)!”
- “You understood me, huh?”
- 歩
( : - 「いや全然
( だ」- “No, not at all.”
Key Points
理解
( してくれた means understood me理解
( する means to understand something by grasping its meaning or reasoning.Takeru thinks Ayumu has understood his motivation for going to the shogi club.
してくれた frames the understanding as a favor
〜てくれる presents someone else’s action as beneficial to the speaker.
Takeru hears Ayumu’s invitation as support for his self-important resolve.
オレの男
( としての leaves the noun impliedThe phrase means “my … as a man”, with something like duty, resolve, or pride left unsaid.
The fragmentary follow-up makes Takeru sound dramatic.
いや全然
( だ undercuts the misunderstandingAyumu’s reply means “no, not at all”.